Home / 4,949.10-7,424.46-1,662.39

Finding the Fourth Proportional to 4,949.10, 7,424.46 and 1,662.39

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Solution

The fourth proportional to 4,949.10, 7,424.46 and 1,662.39 is: 2,493.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.10 : 7,424.46 = 1,662.39 : x
  2. Step 2: Convert to fraction form
    4,949.10/7,424.46 = 1,662.39/x
  3. Step 3: Cross multiply
    4,949.10x = 7,424.46 × 1,662.39
  4. Step 4: Simplify right side
    4,949.10x = 12,342,348.06
  5. Step 5: Solve for x
    x = 12,342,348.06/4,949.10
  6. Step 6: Final answer
    x = 2,493.86

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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.