Home / 5,729.92-8,517.62-5,561.76

Finding the Fourth Proportional to 5,729.92, 8,517.62 and 5,561.76

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Solution

The fourth proportional to 5,729.92, 8,517.62 and 5,561.76 is: 8,267.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.92 : 8,517.62 = 5,561.76 : x
  2. Step 2: Convert to fraction form
    5,729.92/8,517.62 = 5,561.76/x
  3. Step 3: Cross multiply
    5,729.92x = 8,517.62 × 5,561.76
  4. Step 4: Simplify right side
    5,729.92x = 47,372,958.21
  5. Step 5: Solve for x
    x = 47,372,958.21/5,729.92
  6. Step 6: Final answer
    x = 8,267.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.