Home / 5,012.29-7,514.38-2,092.78

Finding the Fourth Proportional to 5,012.29, 7,514.38 and 2,092.78

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Solution

The fourth proportional to 5,012.29, 7,514.38 and 2,092.78 is: 3,137.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.29 : 7,514.38 = 2,092.78 : x
  2. Step 2: Convert to fraction form
    5,012.29/7,514.38 = 2,092.78/x
  3. Step 3: Cross multiply
    5,012.29x = 7,514.38 × 2,092.78
  4. Step 4: Simplify right side
    5,012.29x = 15,725,944.18
  5. Step 5: Solve for x
    x = 15,725,944.18/5,012.29
  6. Step 6: Final answer
    x = 3,137.48

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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.