Home / 5,428.26-8,149.02-3,580.92

Finding the Fourth Proportional to 5,428.26, 8,149.02 and 3,580.92

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Solution

The fourth proportional to 5,428.26, 8,149.02 and 3,580.92 is: 5,375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.26 : 8,149.02 = 3,580.92 : x
  2. Step 2: Convert to fraction form
    5,428.26/8,149.02 = 3,580.92/x
  3. Step 3: Cross multiply
    5,428.26x = 8,149.02 × 3,580.92
  4. Step 4: Simplify right side
    5,428.26x = 29,180,988.70
  5. Step 5: Solve for x
    x = 29,180,988.70/5,428.26
  6. Step 6: Final answer
    x = 5,375.75

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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.