Home / 4,982.55-7,478.44-2,519.09

Finding the Fourth Proportional to 4,982.55, 7,478.44 and 2,519.09

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Solution

The fourth proportional to 4,982.55, 7,478.44 and 2,519.09 is: 3,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.55 : 7,478.44 = 2,519.09 : x
  2. Step 2: Convert to fraction form
    4,982.55/7,478.44 = 2,519.09/x
  3. Step 3: Cross multiply
    4,982.55x = 7,478.44 × 2,519.09
  4. Step 4: Simplify right side
    4,982.55x = 18,838,850.82
  5. Step 5: Solve for x
    x = 18,838,850.82/4,982.55
  6. Step 6: Final answer
    x = 3,780.97

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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.