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Finding the Fourth Proportional to 5,487.54, 8,229.24 and 1,788.90

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Solution

The fourth proportional to 5,487.54, 8,229.24 and 1,788.90 is: 2,682.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.54 : 8,229.24 = 1,788.90 : x
  2. Step 2: Convert to fraction form
    5,487.54/8,229.24 = 1,788.90/x
  3. Step 3: Cross multiply
    5,487.54x = 8,229.24 × 1,788.90
  4. Step 4: Simplify right side
    5,487.54x = 14,721,287.44
  5. Step 5: Solve for x
    x = 14,721,287.44/5,487.54
  6. Step 6: Final answer
    x = 2,682.68

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