Home / 5,487.27-8,229.57-2,156.22

Finding the Fourth Proportional to 5,487.27, 8,229.57 and 2,156.22

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Solution

The fourth proportional to 5,487.27, 8,229.57 and 2,156.22 is: 3,233.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.27 : 8,229.57 = 2,156.22 : x
  2. Step 2: Convert to fraction form
    5,487.27/8,229.57 = 2,156.22/x
  3. Step 3: Cross multiply
    5,487.27x = 8,229.57 × 2,156.22
  4. Step 4: Simplify right side
    5,487.27x = 17,744,763.43
  5. Step 5: Solve for x
    x = 17,744,763.43/5,487.27
  6. Step 6: Final answer
    x = 3,233.81

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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.