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Finding the Fourth Proportional to 8,449.50, 12,675.93 and 2,605.86

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Solution

The fourth proportional to 8,449.50, 12,675.93 and 2,605.86 is: 3,909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.50 : 12,675.93 = 2,605.86 : x
  2. Step 2: Convert to fraction form
    8,449.50/12,675.93 = 2,605.86/x
  3. Step 3: Cross multiply
    8,449.50x = 12,675.93 × 2,605.86
  4. Step 4: Simplify right side
    8,449.50x = 33,031,698.95
  5. Step 5: Solve for x
    x = 33,031,698.95/8,449.50
  6. Step 6: Final answer
    x = 3,909.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.