Home / 7,198.05-10,789.87-2,514.43

Finding the Fourth Proportional to 7,198.05, 10,789.87 and 2,514.43

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Solution

The fourth proportional to 7,198.05, 10,789.87 and 2,514.43 is: 3,769.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198.05 : 10,789.87 = 2,514.43 : x
  2. Step 2: Convert to fraction form
    7,198.05/10,789.87 = 2,514.43/x
  3. Step 3: Cross multiply
    7,198.05x = 10,789.87 × 2,514.43
  4. Step 4: Simplify right side
    7,198.05x = 27,130,372.82
  5. Step 5: Solve for x
    x = 27,130,372.82/7,198.05
  6. Step 6: Final answer
    x = 3,769.13

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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.