Home / 5,540.11-7,645.53-3,182.20

Finding the Fourth Proportional to 5,540.11, 7,645.53 and 3,182.20

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Solution

The fourth proportional to 5,540.11, 7,645.53 and 3,182.20 is: 4,391.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.11 : 7,645.53 = 3,182.20 : x
  2. Step 2: Convert to fraction form
    5,540.11/7,645.53 = 3,182.20/x
  3. Step 3: Cross multiply
    5,540.11x = 7,645.53 × 3,182.20
  4. Step 4: Simplify right side
    5,540.11x = 24,329,605.57
  5. Step 5: Solve for x
    x = 24,329,605.57/5,540.11
  6. Step 6: Final answer
    x = 4,391.54

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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.