Home / 8,188.26-12,282.41-3,257.88

Finding the Fourth Proportional to 8,188.26, 12,282.41 and 3,257.88

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Solution

The fourth proportional to 8,188.26, 12,282.41 and 3,257.88 is: 4,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.26 : 12,282.41 = 3,257.88 : x
  2. Step 2: Convert to fraction form
    8,188.26/12,282.41 = 3,257.88/x
  3. Step 3: Cross multiply
    8,188.26x = 12,282.41 × 3,257.88
  4. Step 4: Simplify right side
    8,188.26x = 40,014,617.89
  5. Step 5: Solve for x
    x = 40,014,617.89/8,188.26
  6. Step 6: Final answer
    x = 4,886.83

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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.