Home / 5,540.40-8,310.60-4,301.10

Finding the Fourth Proportional to 5,540.40, 8,310.60 and 4,301.10

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Solution

The fourth proportional to 5,540.40, 8,310.60 and 4,301.10 is: 6,451.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.40 : 8,310.60 = 4,301.10 : x
  2. Step 2: Convert to fraction form
    5,540.40/8,310.60 = 4,301.10/x
  3. Step 3: Cross multiply
    5,540.40x = 8,310.60 × 4,301.10
  4. Step 4: Simplify right side
    5,540.40x = 35,744,721.66
  5. Step 5: Solve for x
    x = 35,744,721.66/5,540.40
  6. Step 6: Final answer
    x = 6,451.65

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1.5x scale

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.