Home / 5,517.82-8,287.36-4,728.96

Finding the Fourth Proportional to 5,517.82, 8,287.36 and 4,728.96

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Solution

The fourth proportional to 5,517.82, 8,287.36 and 4,728.96 is: 7,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.82 : 8,287.36 = 4,728.96 : x
  2. Step 2: Convert to fraction form
    5,517.82/8,287.36 = 4,728.96/x
  3. Step 3: Cross multiply
    5,517.82x = 8,287.36 × 4,728.96
  4. Step 4: Simplify right side
    5,517.82x = 39,190,593.95
  5. Step 5: Solve for x
    x = 39,190,593.95/5,517.82
  6. Step 6: Final answer
    x = 7,102.55

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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.