Home / 8,909.52-13,356.18-3,712.56

Finding the Fourth Proportional to 8,909.52, 13,356.18 and 3,712.56

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Solution

The fourth proportional to 8,909.52, 13,356.18 and 3,712.56 is: 5,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.52 : 13,356.18 = 3,712.56 : x
  2. Step 2: Convert to fraction form
    8,909.52/13,356.18 = 3,712.56/x
  3. Step 3: Cross multiply
    8,909.52x = 13,356.18 × 3,712.56
  4. Step 4: Simplify right side
    8,909.52x = 49,585,619.62
  5. Step 5: Solve for x
    x = 49,585,619.62/8,909.52
  6. Step 6: Final answer
    x = 5,565.46

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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.