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Finding the Fourth Proportional to 8,613.00, 12,922.82 and 3,351.72

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Solution

The fourth proportional to 8,613.00, 12,922.82 and 3,351.72 is: 5,028.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613.00 : 12,922.82 = 3,351.72 : x
  2. Step 2: Convert to fraction form
    8,613.00/12,922.82 = 3,351.72/x
  3. Step 3: Cross multiply
    8,613.00x = 12,922.82 × 3,351.72
  4. Step 4: Simplify right side
    8,613.00x = 43,313,675.03
  5. Step 5: Solve for x
    x = 43,313,675.03/8,613.00
  6. Step 6: Final answer
    x = 5,028.87

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