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Finding the Fourth Proportional to 5,469.12, 8,207.65 and 2,183.15

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Solution

The fourth proportional to 5,469.12, 8,207.65 and 2,183.15 is: 3,276.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.12 : 8,207.65 = 2,183.15 : x
  2. Step 2: Convert to fraction form
    5,469.12/8,207.65 = 2,183.15/x
  3. Step 3: Cross multiply
    5,469.12x = 8,207.65 × 2,183.15
  4. Step 4: Simplify right side
    5,469.12x = 17,918,531.10
  5. Step 5: Solve for x
    x = 17,918,531.10/5,469.12
  6. Step 6: Final answer
    x = 3,276.31

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