Home / 7,924.20-11,879.61-4,996.05

Finding the Fourth Proportional to 7,924.20, 11,879.61 and 4,996.05

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Solution

The fourth proportional to 7,924.20, 11,879.61 and 4,996.05 is: 7,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.20 : 11,879.61 = 4,996.05 : x
  2. Step 2: Convert to fraction form
    7,924.20/11,879.61 = 4,996.05/x
  3. Step 3: Cross multiply
    7,924.20x = 11,879.61 × 4,996.05
  4. Step 4: Simplify right side
    7,924.20x = 59,351,125.54
  5. Step 5: Solve for x
    x = 59,351,125.54/7,924.20
  6. Step 6: Final answer
    x = 7,489.86

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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.