Home / 7,545.30-11,305.11-4,908.78

Finding the Fourth Proportional to 7,545.30, 11,305.11 and 4,908.78

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Solution

The fourth proportional to 7,545.30, 11,305.11 and 4,908.78 is: 7,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.30 : 11,305.11 = 4,908.78 : x
  2. Step 2: Convert to fraction form
    7,545.30/11,305.11 = 4,908.78/x
  3. Step 3: Cross multiply
    7,545.30x = 11,305.11 × 4,908.78
  4. Step 4: Simplify right side
    7,545.30x = 55,494,297.87
  5. Step 5: Solve for x
    x = 55,494,297.87/7,545.30
  6. Step 6: Final answer
    x = 7,354.82

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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.