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Finding the Fourth Proportional to 8,200.77, 12,293.87 and 3,005.43

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Solution

The fourth proportional to 8,200.77, 12,293.87 and 3,005.43 is: 4,505.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.77 : 12,293.87 = 3,005.43 : x
  2. Step 2: Convert to fraction form
    8,200.77/12,293.87 = 3,005.43/x
  3. Step 3: Cross multiply
    8,200.77x = 12,293.87 × 3,005.43
  4. Step 4: Simplify right side
    8,200.77x = 36,948,350.69
  5. Step 5: Solve for x
    x = 36,948,350.69/8,200.77
  6. Step 6: Final answer
    x = 4,505.47

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