Home / 6,545.43-9,815.94-2,161.89

Finding the Fourth Proportional to 6,545.43, 9,815.94 and 2,161.89

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Solution

The fourth proportional to 6,545.43, 9,815.94 and 2,161.89 is: 3,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.43 : 9,815.94 = 2,161.89 : x
  2. Step 2: Convert to fraction form
    6,545.43/9,815.94 = 2,161.89/x
  3. Step 3: Cross multiply
    6,545.43x = 9,815.94 × 2,161.89
  4. Step 4: Simplify right side
    6,545.43x = 21,220,982.53
  5. Step 5: Solve for x
    x = 21,220,982.53/6,545.43
  6. Step 6: Final answer
    x = 3,242.11

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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.