Home / 5,514.80-8,272.20-5,352.80

Finding the Fourth Proportional to 5,514.80, 8,272.20 and 5,352.80

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Solution

The fourth proportional to 5,514.80, 8,272.20 and 5,352.80 is: 8,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.80 : 8,272.20 = 5,352.80 : x
  2. Step 2: Convert to fraction form
    5,514.80/8,272.20 = 5,352.80/x
  3. Step 3: Cross multiply
    5,514.80x = 8,272.20 × 5,352.80
  4. Step 4: Simplify right side
    5,514.80x = 44,279,432.16
  5. Step 5: Solve for x
    x = 44,279,432.16/5,514.80
  6. Step 6: Final answer
    x = 8,029.20

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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.