Home / 8,257.20-12,364.20-6,514.80

Finding the Fourth Proportional to 8,257.20, 12,364.20 and 6,514.80

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Solution

The fourth proportional to 8,257.20, 12,364.20 and 6,514.80 is: 9,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.20 : 12,364.20 = 6,514.80 : x
  2. Step 2: Convert to fraction form
    8,257.20/12,364.20 = 6,514.80/x
  3. Step 3: Cross multiply
    8,257.20x = 12,364.20 × 6,514.80
  4. Step 4: Simplify right side
    8,257.20x = 80,550,290.16
  5. Step 5: Solve for x
    x = 80,550,290.16/8,257.20
  6. Step 6: Final answer
    x = 9,755.16

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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.