Home / 5,545.03-8,315.11-2,079.85

Finding the Fourth Proportional to 5,545.03, 8,315.11 and 2,079.85

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Solution

The fourth proportional to 5,545.03, 8,315.11 and 2,079.85 is: 3,118.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.03 : 8,315.11 = 2,079.85 : x
  2. Step 2: Convert to fraction form
    5,545.03/8,315.11 = 2,079.85/x
  3. Step 3: Cross multiply
    5,545.03x = 8,315.11 × 2,079.85
  4. Step 4: Simplify right side
    5,545.03x = 17,294,171.13
  5. Step 5: Solve for x
    x = 17,294,171.13/5,545.03
  6. Step 6: Final answer
    x = 3,118.86

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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.