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Finding the Fourth Proportional to 6,647.87, 9,972.11 and 2,753.19

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Solution

The fourth proportional to 6,647.87, 9,972.11 and 2,753.19 is: 4,129.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.87 : 9,972.11 = 2,753.19 : x
  2. Step 2: Convert to fraction form
    6,647.87/9,972.11 = 2,753.19/x
  3. Step 3: Cross multiply
    6,647.87x = 9,972.11 × 2,753.19
  4. Step 4: Simplify right side
    6,647.87x = 27,455,120.41
  5. Step 5: Solve for x
    x = 27,455,120.41/6,647.87
  6. Step 6: Final answer
    x = 4,129.91

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