Home / 5,514.78-8,272.20-2,436.78

Finding the Fourth Proportional to 5,514.78, 8,272.20 and 2,436.78

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Solution

The fourth proportional to 5,514.78, 8,272.20 and 2,436.78 is: 3,655.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.78 : 8,272.20 = 2,436.78 : x
  2. Step 2: Convert to fraction form
    5,514.78/8,272.20 = 2,436.78/x
  3. Step 3: Cross multiply
    5,514.78x = 8,272.20 × 2,436.78
  4. Step 4: Simplify right side
    5,514.78x = 20,157,531.52
  5. Step 5: Solve for x
    x = 20,157,531.52/5,514.78
  6. Step 6: Final answer
    x = 3,655.18

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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.