Home / 5,700.20-8,540.22-3,960.68

Finding the Fourth Proportional to 5,700.20, 8,540.22 and 3,960.68

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Solution

The fourth proportional to 5,700.20, 8,540.22 and 3,960.68 is: 5,934.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,700.20 : 8,540.22 = 3,960.68 : x
  2. Step 2: Convert to fraction form
    5,700.20/8,540.22 = 3,960.68/x
  3. Step 3: Cross multiply
    5,700.20x = 8,540.22 × 3,960.68
  4. Step 4: Simplify right side
    5,700.20x = 33,825,078.55
  5. Step 5: Solve for x
    x = 33,825,078.55/5,700.20
  6. Step 6: Final answer
    x = 5,934.02

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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.