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Finding the Fourth Proportional to 8,288.87, 12,434.58 and 2,743.61

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Solution

The fourth proportional to 8,288.87, 12,434.58 and 2,743.61 is: 4,115.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.87 : 12,434.58 = 2,743.61 : x
  2. Step 2: Convert to fraction form
    8,288.87/12,434.58 = 2,743.61/x
  3. Step 3: Cross multiply
    8,288.87x = 12,434.58 × 2,743.61
  4. Step 4: Simplify right side
    8,288.87x = 34,115,575.86
  5. Step 5: Solve for x
    x = 34,115,575.86/8,288.87
  6. Step 6: Final answer
    x = 4,115.83

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