Home / 7,163.55-10,738.85-2,545.47

Finding the Fourth Proportional to 7,163.55, 10,738.85 and 2,545.47

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Solution

The fourth proportional to 7,163.55, 10,738.85 and 2,545.47 is: 3,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.55 : 10,738.85 = 2,545.47 : x
  2. Step 2: Convert to fraction form
    7,163.55/10,738.85 = 2,545.47/x
  3. Step 3: Cross multiply
    7,163.55x = 10,738.85 × 2,545.47
  4. Step 4: Simplify right side
    7,163.55x = 27,335,407.78
  5. Step 5: Solve for x
    x = 27,335,407.78/7,163.55
  6. Step 6: Final answer
    x = 3,815.90

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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.