Proportion Word Problems

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you solve a proportion word problem?

Back

To solve a proportion word problem, set up a ratio based on the information given, cross-multiply, and solve for the unknown.

Front

If 4 bulbs cost $8, how much does 1 bulb cost?

Back

$2

Front

If you can buy 4 shirts for $36, what is the cost of 1 shirt?

Back

$9

Front

If 1 can of pineapple chunks costs $2, how many cans can you buy with $10?

Back

5 cans

Front

If 24 water bottles weigh 30 pounds, what is the weight of 1 water bottle?

Back

1.25 pounds

Front

If 3 pounds of apples cost $0.90, how much do 10 pounds cost?

Back

$3.00

Front

What is the formula for finding the unit rate?

Back

Unit Rate = Total Amount / Number of Units.

Front

If 150 water bottles weigh 1.25 pounds each, what is the total weight?

Back

187.5 pounds

Front

What is the relationship between ratios and proportions?

Back

Ratios compare two quantities, while proportions show that two ratios are equal.