Home / 5,514.20-8,260.10-3,427.80

Finding the Fourth Proportional to 5,514.20, 8,260.10 and 3,427.80

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Solution

The fourth proportional to 5,514.20, 8,260.10 and 3,427.80 is: 5,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.20 : 8,260.10 = 3,427.80 : x
  2. Step 2: Convert to fraction form
    5,514.20/8,260.10 = 3,427.80/x
  3. Step 3: Cross multiply
    5,514.20x = 8,260.10 × 3,427.80
  4. Step 4: Simplify right side
    5,514.20x = 28,313,970.78
  5. Step 5: Solve for x
    x = 28,313,970.78/5,514.20
  6. Step 6: Final answer
    x = 5,134.74

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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.