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Finding the Fourth Proportional to 8,332.54, 12,489.63 and 3,943.42

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Solution

The fourth proportional to 8,332.54, 12,489.63 and 3,943.42 is: 5,910.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.54 : 12,489.63 = 3,943.42 : x
  2. Step 2: Convert to fraction form
    8,332.54/12,489.63 = 3,943.42/x
  3. Step 3: Cross multiply
    8,332.54x = 12,489.63 × 3,943.42
  4. Step 4: Simplify right side
    8,332.54x = 49,251,856.73
  5. Step 5: Solve for x
    x = 49,251,856.73/8,332.54
  6. Step 6: Final answer
    x = 5,910.79

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