Home / 5,545.49-8,318.22-2,257.81

Finding the Fourth Proportional to 5,545.49, 8,318.22 and 2,257.81

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Solution

The fourth proportional to 5,545.49, 8,318.22 and 2,257.81 is: 3,386.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.49 : 8,318.22 = 2,257.81 : x
  2. Step 2: Convert to fraction form
    5,545.49/8,318.22 = 2,257.81/x
  3. Step 3: Cross multiply
    5,545.49x = 8,318.22 × 2,257.81
  4. Step 4: Simplify right side
    5,545.49x = 18,780,960.30
  5. Step 5: Solve for x
    x = 18,780,960.30/5,545.49
  6. Step 6: Final answer
    x = 3,386.71

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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.