Home / 8,514.91-12,759.87-4,292.38

Finding the Fourth Proportional to 8,514.91, 12,759.87 and 4,292.38

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Solution

The fourth proportional to 8,514.91, 12,759.87 and 4,292.38 is: 6,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514.91 : 12,759.87 = 4,292.38 : x
  2. Step 2: Convert to fraction form
    8,514.91/12,759.87 = 4,292.38/x
  3. Step 3: Cross multiply
    8,514.91x = 12,759.87 × 4,292.38
  4. Step 4: Simplify right side
    8,514.91x = 54,770,210.79
  5. Step 5: Solve for x
    x = 54,770,210.79/8,514.91
  6. Step 6: Final answer
    x = 6,432.27

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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.