Home / 8,909.86-13,357.68-4,227.52

Finding the Fourth Proportional to 8,909.86, 13,357.68 and 4,227.52

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Solution

The fourth proportional to 8,909.86, 13,357.68 and 4,227.52 is: 6,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.86 : 13,357.68 = 4,227.52 : x
  2. Step 2: Convert to fraction form
    8,909.86/13,357.68 = 4,227.52/x
  3. Step 3: Cross multiply
    8,909.86x = 13,357.68 × 4,227.52
  4. Step 4: Simplify right side
    8,909.86x = 56,469,859.35
  5. Step 5: Solve for x
    x = 56,469,859.35/8,909.86
  6. Step 6: Final answer
    x = 6,337.91

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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.