Home / 7,195.18-10,786.42-2,809.57

Finding the Fourth Proportional to 7,195.18, 10,786.42 and 2,809.57

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Solution

The fourth proportional to 7,195.18, 10,786.42 and 2,809.57 is: 4,211.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.18 : 10,786.42 = 2,809.57 : x
  2. Step 2: Convert to fraction form
    7,195.18/10,786.42 = 2,809.57/x
  3. Step 3: Cross multiply
    7,195.18x = 10,786.42 × 2,809.57
  4. Step 4: Simplify right side
    7,195.18x = 30,305,202.04
  5. Step 5: Solve for x
    x = 30,305,202.04/7,195.18
  6. Step 6: Final answer
    x = 4,211.88

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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.