Home / 8,539.11-12,799.89-3,272.88

Finding the Fourth Proportional to 8,539.11, 12,799.89 and 3,272.88

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Solution

The fourth proportional to 8,539.11, 12,799.89 and 3,272.88 is: 4,905.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.11 : 12,799.89 = 3,272.88 : x
  2. Step 2: Convert to fraction form
    8,539.11/12,799.89 = 3,272.88/x
  3. Step 3: Cross multiply
    8,539.11x = 12,799.89 × 3,272.88
  4. Step 4: Simplify right side
    8,539.11x = 41,892,503.98
  5. Step 5: Solve for x
    x = 41,892,503.98/8,539.11
  6. Step 6: Final answer
    x = 4,905.96

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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.