Home / 4,949.46-7,425.41-2,279.80

Finding the Fourth Proportional to 4,949.46, 7,425.41 and 2,279.80

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Solution

The fourth proportional to 4,949.46, 7,425.41 and 2,279.80 is: 3,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.46 : 7,425.41 = 2,279.80 : x
  2. Step 2: Convert to fraction form
    4,949.46/7,425.41 = 2,279.80/x
  3. Step 3: Cross multiply
    4,949.46x = 7,425.41 × 2,279.80
  4. Step 4: Simplify right side
    4,949.46x = 16,928,449.72
  5. Step 5: Solve for x
    x = 16,928,449.72/4,949.46
  6. Step 6: Final answer
    x = 3,420.26

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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.