Do Ratios Form a Proportion

Which ratio below is proportional to the ratio   5/6?

• 6/5

• 50/75

• 25/30

• 12/10

Which ratio is proportional to the ratio   1/5?

• 2/5

• 2/10

• 5/1

• 15/20

Solve the equation for x:

• 17

• 16

• 15

• 14

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

Which ratio below is proportional to the ratio  5/6?

• 6/5

• 50/75

• 25/30

• 12/10

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

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Solve the proportion:

• 3

• 4

• 9

• 6

Cross Multiply/Cross Products

• 15

• 420

• 28

• 16