Home / 5,227.50-7,841.25-2,149.50

Finding the Fourth Proportional to 5,227.50, 7,841.25 and 2,149.50

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Solution

The fourth proportional to 5,227.50, 7,841.25 and 2,149.50 is: 3,224.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.50 : 7,841.25 = 2,149.50 : x
  2. Step 2: Convert to fraction form
    5,227.50/7,841.25 = 2,149.50/x
  3. Step 3: Cross multiply
    5,227.50x = 7,841.25 × 2,149.50
  4. Step 4: Simplify right side
    5,227.50x = 16,854,766.88
  5. Step 5: Solve for x
    x = 16,854,766.88/5,227.50
  6. Step 6: Final answer
    x = 3,224.25

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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.