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Finding the Fourth Proportional to 8,175.53, 12,265.13 and 2,981.41

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Solution

The fourth proportional to 8,175.53, 12,265.13 and 2,981.41 is: 4,472.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.53 : 12,265.13 = 2,981.41 : x
  2. Step 2: Convert to fraction form
    8,175.53/12,265.13 = 2,981.41/x
  3. Step 3: Cross multiply
    8,175.53x = 12,265.13 × 2,981.41
  4. Step 4: Simplify right side
    8,175.53x = 36,567,381.23
  5. Step 5: Solve for x
    x = 36,567,381.23/8,175.53
  6. Step 6: Final answer
    x = 4,472.78

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