Home / 7,979.96-11,974.71-3,049.98

Finding the Fourth Proportional to 7,979.96, 11,974.71 and 3,049.98

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Solution

The fourth proportional to 7,979.96, 11,974.71 and 3,049.98 is: 4,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.96 : 11,974.71 = 3,049.98 : x
  2. Step 2: Convert to fraction form
    7,979.96/11,974.71 = 3,049.98/x
  3. Step 3: Cross multiply
    7,979.96x = 11,974.71 × 3,049.98
  4. Step 4: Simplify right side
    7,979.96x = 36,522,626.01
  5. Step 5: Solve for x
    x = 36,522,626.01/7,979.96
  6. Step 6: Final answer
    x = 4,576.80

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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.