Home / 5,540.24-7,646.19-3,151.09

Finding the Fourth Proportional to 5,540.24, 7,646.19 and 3,151.09

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Solution

The fourth proportional to 5,540.24, 7,646.19 and 3,151.09 is: 4,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.24 : 7,646.19 = 3,151.09 : x
  2. Step 2: Convert to fraction form
    5,540.24/7,646.19 = 3,151.09/x
  3. Step 3: Cross multiply
    5,540.24x = 7,646.19 × 3,151.09
  4. Step 4: Simplify right side
    5,540.24x = 24,093,832.85
  5. Step 5: Solve for x
    x = 24,093,832.85/5,540.24
  6. Step 6: Final answer
    x = 4,348.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.