Home / 4,819.80-7,233.21-3,179.82

Finding the Fourth Proportional to 4,819.80, 7,233.21 and 3,179.82

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Solution

The fourth proportional to 4,819.80, 7,233.21 and 3,179.82 is: 4,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.80 : 7,233.21 = 3,179.82 : x
  2. Step 2: Convert to fraction form
    4,819.80/7,233.21 = 3,179.82/x
  3. Step 3: Cross multiply
    4,819.80x = 7,233.21 × 3,179.82
  4. Step 4: Simplify right side
    4,819.80x = 23,000,305.82
  5. Step 5: Solve for x
    x = 23,000,305.82/4,819.80
  6. Step 6: Final answer
    x = 4,772.05

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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.