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Finding the Fourth Proportional to 8,125.65, 12,190.77 and 2,282.31

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Solution

The fourth proportional to 8,125.65, 12,190.77 and 2,282.31 is: 3,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.65 : 12,190.77 = 2,282.31 : x
  2. Step 2: Convert to fraction form
    8,125.65/12,190.77 = 2,282.31/x
  3. Step 3: Cross multiply
    8,125.65x = 12,190.77 × 2,282.31
  4. Step 4: Simplify right side
    8,125.65x = 27,823,116.28
  5. Step 5: Solve for x
    x = 27,823,116.28/8,125.65
  6. Step 6: Final answer
    x = 3,424.11

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