Proportion Word Problems and Graphs

A scale model of a whale is being built. The actual length of the whale is 65 feet. The scale of the model is 2 in : 3 ft. What will be the length of the model?

• 97.5 inches

• 30.6 inches

• 41.56 inches

• 43.33 inches

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk

• 1.75 cups milk

• 2 cups flour

• 2.25 cups milk

The ratio of cups of sugar to cups of flour needed to bake cookies is 1:5. If Myesha uses 25 cups of flour, how much sugar is needed?

• 125 cups

• 5 cups

• 15 cups

• 10 cups

A rectangular garden is 45 ft wide and 70 ft long. In a drawing, the width is 9 in. Identify the length on the drawing. 

• 7 in

• 9 in

• 12 in

• 14 in

A model of a car is 3 in wide and 2 in tall.  The actual car is 4 ft wide, how tall would it be? 

• 3.5

• 4

• 5

• 2.6

Will spent $3.75 for 3 pounds of granola. How many pounds of granola can Will buy for $10

• 8 pounds

• 7 pounds

• 6 pounds

• 9 pounds

A group of students were asked about their favorite foods. Out of the 50 students surveyed, 30 listed pizza among their favorite foods. At that rate, if 190 students were surveyed, how many would you expect to list pizza as a favorite food?

• 114

• 55

• 48

• 168

Krystle is selling magazine subscriptions as part of a school fundraiser. During the first 72 days of the fundraiser Krystle sold 56 subscriptions. If Krystle maintained that rate, how many subscriptions would Krystle sell in a 216-day period?

• 168

• 55

• 48

• 114

Emily enlarged the size of a painting to a width of 15 in. What is the new height if it was originally 3 in. wide and 4 in. tall?

• 17 in.

• 20 in.

• 5 in.

• 23 in.

About 13 out of 20 homes have a personal computer. On a street with 60 homes, how many would you expect to have a personal computer?

• 7

• 39

• 40

• 73