Home / 5,423.26-8,131.38-3,568.76

Finding the Fourth Proportional to 5,423.26, 8,131.38 and 3,568.76

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Solution

The fourth proportional to 5,423.26, 8,131.38 and 3,568.76 is: 5,350.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.26 : 8,131.38 = 3,568.76 : x
  2. Step 2: Convert to fraction form
    5,423.26/8,131.38 = 3,568.76/x
  3. Step 3: Cross multiply
    5,423.26x = 8,131.38 × 3,568.76
  4. Step 4: Simplify right side
    5,423.26x = 29,018,943.69
  5. Step 5: Solve for x
    x = 29,018,943.69/5,423.26
  6. Step 6: Final answer
    x = 5,350.83

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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.