Finding the Fourth Proportional to 7,312, 10,968 and 2,448
Calculator
Solution
The fourth proportional to 7,312, 10,968 and 2,448 is: 3,672
Step by Step Solution
- Step 1: Write the proportion equation
7,312 : 10,968 = 2,448 : x - Step 2: Convert to fraction form
7,312/10,968 = 2,448/x - Step 3: Cross multiply
7,312x = 10,968 × 2,448 - Step 4: Simplify right side
7,312x = 26,849,664 - Step 5: Solve for x
x = 26,849,664/7,312 - Step 6: Final answer
x = 3,672
Related Problems
Find fourth proportional to 3,656, 5,484 and 1,224
Half scale
Find fourth proportional to 14,624, 21,936 and 4,896
Double scale
Find fourth proportional to 7,313, 10,969.50 and 2,449
Similar ratio
Find fourth proportional to 10,968, 16,452 and 3,672
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.