Home / 4,819.80-7,229.70-2,705.70

Finding the Fourth Proportional to 4,819.80, 7,229.70 and 2,705.70

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Solution

The fourth proportional to 4,819.80, 7,229.70 and 2,705.70 is: 4,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.80 : 7,229.70 = 2,705.70 : x
  2. Step 2: Convert to fraction form
    4,819.80/7,229.70 = 2,705.70/x
  3. Step 3: Cross multiply
    4,819.80x = 7,229.70 × 2,705.70
  4. Step 4: Simplify right side
    4,819.80x = 19,561,399.29
  5. Step 5: Solve for x
    x = 19,561,399.29/4,819.80
  6. Step 6: Final answer
    x = 4,058.55

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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.