Home / 5,212.38-7,819.71-1,514.73

Finding the Fourth Proportional to 5,212.38, 7,819.71 and 1,514.73

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Solution

The fourth proportional to 5,212.38, 7,819.71 and 1,514.73 is: 2,272.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.38 : 7,819.71 = 1,514.73 : x
  2. Step 2: Convert to fraction form
    5,212.38/7,819.71 = 1,514.73/x
  3. Step 3: Cross multiply
    5,212.38x = 7,819.71 × 1,514.73
  4. Step 4: Simplify right side
    5,212.38x = 11,844,749.33
  5. Step 5: Solve for x
    x = 11,844,749.33/5,212.38
  6. Step 6: Final answer
    x = 2,272.43

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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.