Home / 5,514.64-7,610.20-2,996.78

Finding the Fourth Proportional to 5,514.64, 7,610.20 and 2,996.78

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Solution

The fourth proportional to 5,514.64, 7,610.20 and 2,996.78 is: 4,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.64 : 7,610.20 = 2,996.78 : x
  2. Step 2: Convert to fraction form
    5,514.64/7,610.20 = 2,996.78/x
  3. Step 3: Cross multiply
    5,514.64x = 7,610.20 × 2,996.78
  4. Step 4: Simplify right side
    5,514.64x = 22,806,057.11
  5. Step 5: Solve for x
    x = 22,806,057.11/5,514.64
  6. Step 6: Final answer
    x = 4,135.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.