Home / 6,629.43-9,939.15-5,715.75

Finding the Fourth Proportional to 6,629.43, 9,939.15 and 5,715.75

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Solution

The fourth proportional to 6,629.43, 9,939.15 and 5,715.75 is: 8,569.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.43 : 9,939.15 = 5,715.75 : x
  2. Step 2: Convert to fraction form
    6,629.43/9,939.15 = 5,715.75/x
  3. Step 3: Cross multiply
    6,629.43x = 9,939.15 × 5,715.75
  4. Step 4: Simplify right side
    6,629.43x = 56,809,696.61
  5. Step 5: Solve for x
    x = 56,809,696.61/6,629.43
  6. Step 6: Final answer
    x = 8,569.32

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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.