Home / 7,446.72-11,163.60-3,545.76

Finding the Fourth Proportional to 7,446.72, 11,163.60 and 3,545.76

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Solution

The fourth proportional to 7,446.72, 11,163.60 and 3,545.76 is: 5,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.72 : 11,163.60 = 3,545.76 : x
  2. Step 2: Convert to fraction form
    7,446.72/11,163.60 = 3,545.76/x
  3. Step 3: Cross multiply
    7,446.72x = 11,163.60 × 3,545.76
  4. Step 4: Simplify right side
    7,446.72x = 39,583,446.34
  5. Step 5: Solve for x
    x = 39,583,446.34/7,446.72
  6. Step 6: Final answer
    x = 5,315.55

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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.