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Finding the Fourth Proportional to 7,754.31, 11,633.10 and 2,489.70

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Solution

The fourth proportional to 7,754.31, 11,633.10 and 2,489.70 is: 3,735.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.31 : 11,633.10 = 2,489.70 : x
  2. Step 2: Convert to fraction form
    7,754.31/11,633.10 = 2,489.70/x
  3. Step 3: Cross multiply
    7,754.31x = 11,633.10 × 2,489.70
  4. Step 4: Simplify right side
    7,754.31x = 28,962,929.07
  5. Step 5: Solve for x
    x = 28,962,929.07/7,754.31
  6. Step 6: Final answer
    x = 3,735.07

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