Home / 5,545.34-8,310.81-2,254.61

Finding the Fourth Proportional to 5,545.34, 8,310.81 and 2,254.61

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Solution

The fourth proportional to 5,545.34, 8,310.81 and 2,254.61 is: 3,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.34 : 8,310.81 = 2,254.61 : x
  2. Step 2: Convert to fraction form
    5,545.34/8,310.81 = 2,254.61/x
  3. Step 3: Cross multiply
    5,545.34x = 8,310.81 × 2,254.61
  4. Step 4: Simplify right side
    5,545.34x = 18,737,593.78
  5. Step 5: Solve for x
    x = 18,737,593.78/5,545.34
  6. Step 6: Final answer
    x = 3,378.98

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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.