Home / 8,400.28-11,592.15-4,863.55

Finding the Fourth Proportional to 8,400.28, 11,592.15 and 4,863.55

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Solution

The fourth proportional to 8,400.28, 11,592.15 and 4,863.55 is: 6,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.28 : 11,592.15 = 4,863.55 : x
  2. Step 2: Convert to fraction form
    8,400.28/11,592.15 = 4,863.55/x
  3. Step 3: Cross multiply
    8,400.28x = 11,592.15 × 4,863.55
  4. Step 4: Simplify right side
    8,400.28x = 56,379,001.13
  5. Step 5: Solve for x
    x = 56,379,001.13/8,400.28
  6. Step 6: Final answer
    x = 6,711.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.