Home / 5,469.82-7,545.87-3,231.70

Finding the Fourth Proportional to 5,469.82, 7,545.87 and 3,231.70

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Solution

The fourth proportional to 5,469.82, 7,545.87 and 3,231.70 is: 4,458.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.82 : 7,545.87 = 3,231.70 : x
  2. Step 2: Convert to fraction form
    5,469.82/7,545.87 = 3,231.70/x
  3. Step 3: Cross multiply
    5,469.82x = 7,545.87 × 3,231.70
  4. Step 4: Simplify right side
    5,469.82x = 24,385,988.08
  5. Step 5: Solve for x
    x = 24,385,988.08/5,469.82
  6. Step 6: Final answer
    x = 4,458.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.