Home / 8,188.20-12,282.30-3,257.52

Finding the Fourth Proportional to 8,188.20, 12,282.30 and 3,257.52

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Solution

The fourth proportional to 8,188.20, 12,282.30 and 3,257.52 is: 4,886.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.20 : 12,282.30 = 3,257.52 : x
  2. Step 2: Convert to fraction form
    8,188.20/12,282.30 = 3,257.52/x
  3. Step 3: Cross multiply
    8,188.20x = 12,282.30 × 3,257.52
  4. Step 4: Simplify right side
    8,188.20x = 40,009,837.90
  5. Step 5: Solve for x
    x = 40,009,837.90/8,188.20
  6. Step 6: Final answer
    x = 4,886.28

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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.