Home / 5,654.92-8,480.22-2,191.72

Finding the Fourth Proportional to 5,654.92, 8,480.22 and 2,191.72

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Solution

The fourth proportional to 5,654.92, 8,480.22 and 2,191.72 is: 3,286.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,654.92 : 8,480.22 = 2,191.72 : x
  2. Step 2: Convert to fraction form
    5,654.92/8,480.22 = 2,191.72/x
  3. Step 3: Cross multiply
    5,654.92x = 8,480.22 × 2,191.72
  4. Step 4: Simplify right side
    5,654.92x = 18,586,267.78
  5. Step 5: Solve for x
    x = 18,586,267.78/5,654.92
  6. Step 6: Final answer
    x = 3,286.74

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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.