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?

Back

To solve a proportion, cross-multiply the two ratios and set the products equal to each other.

Front

What is the formula for finding the missing value in a proportion?

Back

If a/b = c/d, then ad = bc.

Front

What is the relationship between ratios and proportions?

Back

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

Front

If 1 bag of carrots costs $3, how much do 4 bags cost?

Back

$12 (4 bags x $3 per bag).

Front

If the exchange rate is $1 for every 4 Ringgits, how many Ringgits do you get for $5?

Back

20 Ringgits (5 x 4).

Front

What is the ratio of height to width if the height is 2.5 inches and the width is 9.5 inches?

Back

The ratio is 5:19.

Front

If a recipe calls for 1.5 cups of milk for every 3 cups of flour, what is the ratio of milk to flour?

Back

The ratio is 1:2.

Front

How do you find the total cost of multiple items?

Back

Multiply the cost of one item by the number of items.

Front

What is the unit rate?

Back

The unit rate is a comparison of any two separate but related quantities when one of the terms is 1.