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Finding the Fourth Proportional to 8,539.22, 12,811.12 and 2,695.94

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Solution

The fourth proportional to 8,539.22, 12,811.12 and 2,695.94 is: 4,044.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.22 : 12,811.12 = 2,695.94 : x
  2. Step 2: Convert to fraction form
    8,539.22/12,811.12 = 2,695.94/x
  3. Step 3: Cross multiply
    8,539.22x = 12,811.12 × 2,695.94
  4. Step 4: Simplify right side
    8,539.22x = 34,538,010.85
  5. Step 5: Solve for x
    x = 34,538,010.85/8,539.22
  6. Step 6: Final answer
    x = 4,044.63

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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.