Home / 5,540.72-7,645.88-3,305.12

Finding the Fourth Proportional to 5,540.72, 7,645.88 and 3,305.12

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Solution

The fourth proportional to 5,540.72, 7,645.88 and 3,305.12 is: 4,560.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.72 : 7,645.88 = 3,305.12 : x
  2. Step 2: Convert to fraction form
    5,540.72/7,645.88 = 3,305.12/x
  3. Step 3: Cross multiply
    5,540.72x = 7,645.88 × 3,305.12
  4. Step 4: Simplify right side
    5,540.72x = 25,270,550.91
  5. Step 5: Solve for x
    x = 25,270,550.91/5,540.72
  6. Step 6: Final answer
    x = 4,560.88

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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.