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Finding the Fourth Proportional to 4,332.80, 5,978.64 and 2,469.76

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Solution

The fourth proportional to 4,332.80, 5,978.64 and 2,469.76 is: 3,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,332.80 : 5,978.64 = 2,469.76 : x
  2. Step 2: Convert to fraction form
    4,332.80/5,978.64 = 2,469.76/x
  3. Step 3: Cross multiply
    4,332.80x = 5,978.64 × 2,469.76
  4. Step 4: Simplify right side
    4,332.80x = 14,765,805.93
  5. Step 5: Solve for x
    x = 14,765,805.93/4,332.80
  6. Step 6: Final answer
    x = 3,407.91

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