Home / 5,517.16-8,272.60-1,818.38

Finding the Fourth Proportional to 5,517.16, 8,272.60 and 1,818.38

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Solution

The fourth proportional to 5,517.16, 8,272.60 and 1,818.38 is: 2,726.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.16 : 8,272.60 = 1,818.38 : x
  2. Step 2: Convert to fraction form
    5,517.16/8,272.60 = 1,818.38/x
  3. Step 3: Cross multiply
    5,517.16x = 8,272.60 × 1,818.38
  4. Step 4: Simplify right side
    5,517.16x = 15,042,730.39
  5. Step 5: Solve for x
    x = 15,042,730.39/5,517.16
  6. Step 6: Final answer
    x = 2,726.54

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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.