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Finding the Fourth Proportional to 8,155.92, 12,236.16 and 3,476.16

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Solution

The fourth proportional to 8,155.92, 12,236.16 and 3,476.16 is: 5,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.92 : 12,236.16 = 3,476.16 : x
  2. Step 2: Convert to fraction form
    8,155.92/12,236.16 = 3,476.16/x
  3. Step 3: Cross multiply
    8,155.92x = 12,236.16 × 3,476.16
  4. Step 4: Simplify right side
    8,155.92x = 42,534,849.95
  5. Step 5: Solve for x
    x = 42,534,849.95/8,155.92
  6. Step 6: Final answer
    x = 5,215.21

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