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Finding the Fourth Proportional to 8,105.03, 12,148.76 and 4,150.87

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Solution

The fourth proportional to 8,105.03, 12,148.76 and 4,150.87 is: 6,221.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.03 : 12,148.76 = 4,150.87 : x
  2. Step 2: Convert to fraction form
    8,105.03/12,148.76 = 4,150.87/x
  3. Step 3: Cross multiply
    8,105.03x = 12,148.76 × 4,150.87
  4. Step 4: Simplify right side
    8,105.03x = 50,427,923.42
  5. Step 5: Solve for x
    x = 50,427,923.42/8,105.03
  6. Step 6: Final answer
    x = 6,221.81

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