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Finding the Fourth Proportional to 4,625.31, 6,940.13 and 2,679.15

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Solution

The fourth proportional to 4,625.31, 6,940.13 and 2,679.15 is: 4,019.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,625.31 : 6,940.13 = 2,679.15 : x
  2. Step 2: Convert to fraction form
    4,625.31/6,940.13 = 2,679.15/x
  3. Step 3: Cross multiply
    4,625.31x = 6,940.13 × 2,679.15
  4. Step 4: Simplify right side
    4,625.31x = 18,593,635.89
  5. Step 5: Solve for x
    x = 18,593,635.89/4,625.31
  6. Step 6: Final answer
    x = 4,019.98

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