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Finding the Fourth Proportional to 8,309.31, 12,463.93 and 2,465.43

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Solution

The fourth proportional to 8,309.31, 12,463.93 and 2,465.43 is: 3,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.31 : 12,463.93 = 2,465.43 : x
  2. Step 2: Convert to fraction form
    8,309.31/12,463.93 = 2,465.43/x
  3. Step 3: Cross multiply
    8,309.31x = 12,463.93 × 2,465.43
  4. Step 4: Simplify right side
    8,309.31x = 30,728,946.94
  5. Step 5: Solve for x
    x = 30,728,946.94/8,309.31
  6. Step 6: Final answer
    x = 3,698.13

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