Home / 8,517.30-12,773.62-5,392.60

Finding the Fourth Proportional to 8,517.30, 12,773.62 and 5,392.60

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Solution

The fourth proportional to 8,517.30, 12,773.62 and 5,392.60 is: 8,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.30 : 12,773.62 = 5,392.60 : x
  2. Step 2: Convert to fraction form
    8,517.30/12,773.62 = 5,392.60/x
  3. Step 3: Cross multiply
    8,517.30x = 12,773.62 × 5,392.60
  4. Step 4: Simplify right side
    8,517.30x = 68,883,023.21
  5. Step 5: Solve for x
    x = 68,883,023.21/8,517.30
  6. Step 6: Final answer
    x = 8,087.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.