Home / 8,188.20-12,284.37-3,257.82

Finding the Fourth Proportional to 8,188.20, 12,284.37 and 3,257.82

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Solution

The fourth proportional to 8,188.20, 12,284.37 and 3,257.82 is: 4,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.20 : 12,284.37 = 3,257.82 : x
  2. Step 2: Convert to fraction form
    8,188.20/12,284.37 = 3,257.82/x
  3. Step 3: Cross multiply
    8,188.20x = 12,284.37 × 3,257.82
  4. Step 4: Simplify right side
    8,188.20x = 40,020,266.27
  5. Step 5: Solve for x
    x = 40,020,266.27/8,188.20
  6. Step 6: Final answer
    x = 4,887.55

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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.