Home / 8,486.15-12,725.06-3,487.61

Finding the Fourth Proportional to 8,486.15, 12,725.06 and 3,487.61

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Solution

The fourth proportional to 8,486.15, 12,725.06 and 3,487.61 is: 5,229.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.15 : 12,725.06 = 3,487.61 : x
  2. Step 2: Convert to fraction form
    8,486.15/12,725.06 = 3,487.61/x
  3. Step 3: Cross multiply
    8,486.15x = 12,725.06 × 3,487.61
  4. Step 4: Simplify right side
    8,486.15x = 44,380,060.88
  5. Step 5: Solve for x
    x = 44,380,060.88/8,486.15
  6. Step 6: Final answer
    x = 5,229.71

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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.