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Finding the Fourth Proportional to 6,481.73, 9,724.49 and 2,099.09

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Solution

The fourth proportional to 6,481.73, 9,724.49 and 2,099.09 is: 3,149.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.73 : 9,724.49 = 2,099.09 : x
  2. Step 2: Convert to fraction form
    6,481.73/9,724.49 = 2,099.09/x
  3. Step 3: Cross multiply
    6,481.73x = 9,724.49 × 2,099.09
  4. Step 4: Simplify right side
    6,481.73x = 20,412,579.71
  5. Step 5: Solve for x
    x = 20,412,579.71/6,481.73
  6. Step 6: Final answer
    x = 3,149.25

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