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Finding the Fourth Proportional to 6,140.92, 8,471.77 and 4,150.75

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Solution

The fourth proportional to 6,140.92, 8,471.77 and 4,150.75 is: 5,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.92 : 8,471.77 = 4,150.75 : x
  2. Step 2: Convert to fraction form
    6,140.92/8,471.77 = 4,150.75/x
  3. Step 3: Cross multiply
    6,140.92x = 8,471.77 × 4,150.75
  4. Step 4: Simplify right side
    6,140.92x = 35,164,199.33
  5. Step 5: Solve for x
    x = 35,164,199.33/6,140.92
  6. Step 6: Final answer
    x = 5,726.21

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