Home / 8,252.22-12,375.80-2,986.60

Finding the Fourth Proportional to 8,252.22, 12,375.80 and 2,986.60

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Solution

The fourth proportional to 8,252.22, 12,375.80 and 2,986.60 is: 4,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.22 : 12,375.80 = 2,986.60 : x
  2. Step 2: Convert to fraction form
    8,252.22/12,375.80 = 2,986.60/x
  3. Step 3: Cross multiply
    8,252.22x = 12,375.80 × 2,986.60
  4. Step 4: Simplify right side
    8,252.22x = 36,961,564.28
  5. Step 5: Solve for x
    x = 36,961,564.28/8,252.22
  6. Step 6: Final answer
    x = 4,478.98

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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.