Home / 7,545.56-11,318.92-1,998.77

Finding the Fourth Proportional to 7,545.56, 11,318.92 and 1,998.77

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Solution

The fourth proportional to 7,545.56, 11,318.92 and 1,998.77 is: 2,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.56 : 11,318.92 = 1,998.77 : x
  2. Step 2: Convert to fraction form
    7,545.56/11,318.92 = 1,998.77/x
  3. Step 3: Cross multiply
    7,545.56x = 11,318.92 × 1,998.77
  4. Step 4: Simplify right side
    7,545.56x = 22,623,856.14
  5. Step 5: Solve for x
    x = 22,623,856.14/7,545.56
  6. Step 6: Final answer
    x = 2,998.30

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Similar ratio
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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.