Home / 5,581.20-8,362.20-2,944.80

Finding the Fourth Proportional to 5,581.20, 8,362.20 and 2,944.80

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Solution

The fourth proportional to 5,581.20, 8,362.20 and 2,944.80 is: 4,412.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.20 : 8,362.20 = 2,944.80 : x
  2. Step 2: Convert to fraction form
    5,581.20/8,362.20 = 2,944.80/x
  3. Step 3: Cross multiply
    5,581.20x = 8,362.20 × 2,944.80
  4. Step 4: Simplify right side
    5,581.20x = 24,625,006.56
  5. Step 5: Solve for x
    x = 24,625,006.56/5,581.20
  6. Step 6: Final answer
    x = 4,412.13

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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.