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Finding the Fourth Proportional to 5,762.73, 7,945.24 and 3,871.31

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Solution

The fourth proportional to 5,762.73, 7,945.24 and 3,871.31 is: 5,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,762.73 : 7,945.24 = 3,871.31 : x
  2. Step 2: Convert to fraction form
    5,762.73/7,945.24 = 3,871.31/x
  3. Step 3: Cross multiply
    5,762.73x = 7,945.24 × 3,871.31
  4. Step 4: Simplify right side
    5,762.73x = 30,758,489.61
  5. Step 5: Solve for x
    x = 30,758,489.61/5,762.73
  6. Step 6: Final answer
    x = 5,337.49

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