Home / 9,755.20-14,640.42-3,915.64

Finding the Fourth Proportional to 9,755.20, 14,640.42 and 3,915.64

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Solution

The fourth proportional to 9,755.20, 14,640.42 and 3,915.64 is: 5,876.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,755.20 : 14,640.42 = 3,915.64 : x
  2. Step 2: Convert to fraction form
    9,755.20/14,640.42 = 3,915.64/x
  3. Step 3: Cross multiply
    9,755.20x = 14,640.42 × 3,915.64
  4. Step 4: Simplify right side
    9,755.20x = 57,326,614.17
  5. Step 5: Solve for x
    x = 57,326,614.17/9,755.20
  6. Step 6: Final answer
    x = 5,876.52

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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.