Home / 4,821.82-7,229.01-2,221.66

Finding the Fourth Proportional to 4,821.82, 7,229.01 and 2,221.66

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Solution

The fourth proportional to 4,821.82, 7,229.01 and 2,221.66 is: 3,330.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.82 : 7,229.01 = 2,221.66 : x
  2. Step 2: Convert to fraction form
    4,821.82/7,229.01 = 2,221.66/x
  3. Step 3: Cross multiply
    4,821.82x = 7,229.01 × 2,221.66
  4. Step 4: Simplify right side
    4,821.82x = 16,060,402.36
  5. Step 5: Solve for x
    x = 16,060,402.36/4,821.82
  6. Step 6: Final answer
    x = 3,330.78

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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.