Home / 6,540.60-9,031.14-4,023.90

Finding the Fourth Proportional to 6,540.60, 9,031.14 and 4,023.90

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Solution

The fourth proportional to 6,540.60, 9,031.14 and 4,023.90 is: 5,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.60 : 9,031.14 = 4,023.90 : x
  2. Step 2: Convert to fraction form
    6,540.60/9,031.14 = 4,023.90/x
  3. Step 3: Cross multiply
    6,540.60x = 9,031.14 × 4,023.90
  4. Step 4: Simplify right side
    6,540.60x = 36,340,404.25
  5. Step 5: Solve for x
    x = 36,340,404.25/6,540.60
  6. Step 6: Final answer
    x = 5,556.13

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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.