Proportion Word Problems Mastery

What is a proportion?

• A fraction that is greater than one

• An equation that states two ratios are equal

• A number that can be divided by another number

• A ratio that compares two different units

Which of the following pairs of ratios forms a proportion?

• 3:5 and 6:10

• 2:3 and 4:6

• 5:8 and 10:15

• 7:9 and 14:20

If 12x = 48, what is the value of x?

• 3

• 2

• 5

• 4

Solve for k: 7k = 168

• 20

• 26

• 22

• 24

What is the value of r if 5(r + 6) = 10(r - 1)?

• 8

• 7

• 6

• 9

Pete drove 224 miles in 4 hours. How long would it take him to drive 490 miles at the same rate?

• 8.5 hours

• 8.75 hours

• 9 hours

• 9.25 hours

If 4 out of 5 students have cell phones, how many students out of 365 would you expect to have a phone?

• 294

• 296

• 292

• 298

A 100-ounce jug of laundry detergent can wash 64 loads. How many loads can a 150-ounce jug wash?

• 90

• 92

• 94

• 96

How many cups of milk are needed to make 20 pancakes if 1 1/4 cups are needed for 8 pancakes?

• 2.5 cups

• 3 cups

• 3.5 cups

• 4 cups

If 7 candy bars cost $6.23, how much would 5 candy bars cost?

• $4.55

• $4.60

• $4.50

• $4.45