Home / 7,995.11-11,992.66-2,151.56

Finding the Fourth Proportional to 7,995.11, 11,992.66 and 2,151.56

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Solution

The fourth proportional to 7,995.11, 11,992.66 and 2,151.56 is: 3,227.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.11 : 11,992.66 = 2,151.56 : x
  2. Step 2: Convert to fraction form
    7,995.11/11,992.66 = 2,151.56/x
  3. Step 3: Cross multiply
    7,995.11x = 11,992.66 × 2,151.56
  4. Step 4: Simplify right side
    7,995.11x = 25,802,952.15
  5. Step 5: Solve for x
    x = 25,802,952.15/7,995.11
  6. Step 6: Final answer
    x = 3,227.34

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Similar ratio
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1.5x scale

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.