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Finding the Fourth Proportional to 6,169.76, 8,514.26 and 3,375.26

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Solution

The fourth proportional to 6,169.76, 8,514.26 and 3,375.26 is: 4,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,169.76 : 8,514.26 = 3,375.26 : x
  2. Step 2: Convert to fraction form
    6,169.76/8,514.26 = 3,375.26/x
  3. Step 3: Cross multiply
    6,169.76x = 8,514.26 × 3,375.26
  4. Step 4: Simplify right side
    6,169.76x = 28,737,841.21
  5. Step 5: Solve for x
    x = 28,737,841.21/6,169.76
  6. Step 6: Final answer
    x = 4,657.85

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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.