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Finding the Fourth Proportional to 5,754.60, 8,631.90 and 5,487.30

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Solution

The fourth proportional to 5,754.60, 8,631.90 and 5,487.30 is: 8,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.60 : 8,631.90 = 5,487.30 : x
  2. Step 2: Convert to fraction form
    5,754.60/8,631.90 = 5,487.30/x
  3. Step 3: Cross multiply
    5,754.60x = 8,631.90 × 5,487.30
  4. Step 4: Simplify right side
    5,754.60x = 47,365,824.87
  5. Step 5: Solve for x
    x = 47,365,824.87/5,754.60
  6. Step 6: Final answer
    x = 8,230.95

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