Home / 5,540.20-8,310.66-2,077.24

Finding the Fourth Proportional to 5,540.20, 8,310.66 and 2,077.24

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Solution

The fourth proportional to 5,540.20, 8,310.66 and 2,077.24 is: 3,115.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.20 : 8,310.66 = 2,077.24 : x
  2. Step 2: Convert to fraction form
    5,540.20/8,310.66 = 2,077.24/x
  3. Step 3: Cross multiply
    5,540.20x = 8,310.66 × 2,077.24
  4. Step 4: Simplify right side
    5,540.20x = 17,263,235.38
  5. Step 5: Solve for x
    x = 17,263,235.38/5,540.20
  6. Step 6: Final answer
    x = 3,115.99

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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.