Home / 5,381.43-8,063.61-4,151.85

Finding the Fourth Proportional to 5,381.43, 8,063.61 and 4,151.85

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Solution

The fourth proportional to 5,381.43, 8,063.61 and 4,151.85 is: 6,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.43 : 8,063.61 = 4,151.85 : x
  2. Step 2: Convert to fraction form
    5,381.43/8,063.61 = 4,151.85/x
  3. Step 3: Cross multiply
    5,381.43x = 8,063.61 × 4,151.85
  4. Step 4: Simplify right side
    5,381.43x = 33,478,899.18
  5. Step 5: Solve for x
    x = 33,478,899.18/5,381.43
  6. Step 6: Final answer
    x = 6,221.19

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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.