Home / 7,976.18-11,965.56-2,711.66

Finding the Fourth Proportional to 7,976.18, 11,965.56 and 2,711.66

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Solution

The fourth proportional to 7,976.18, 11,965.56 and 2,711.66 is: 4,067.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.18 : 11,965.56 = 2,711.66 : x
  2. Step 2: Convert to fraction form
    7,976.18/11,965.56 = 2,711.66/x
  3. Step 3: Cross multiply
    7,976.18x = 11,965.56 × 2,711.66
  4. Step 4: Simplify right side
    7,976.18x = 32,446,550.62
  5. Step 5: Solve for x
    x = 32,446,550.62/7,976.18
  6. Step 6: Final answer
    x = 4,067.93

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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.