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Finding the Fourth Proportional to 8,682.87, 13,015.65 and 3,414.59

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Solution

The fourth proportional to 8,682.87, 13,015.65 and 3,414.59 is: 5,118.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.87 : 13,015.65 = 3,414.59 : x
  2. Step 2: Convert to fraction form
    8,682.87/13,015.65 = 3,414.59/x
  3. Step 3: Cross multiply
    8,682.87x = 13,015.65 × 3,414.59
  4. Step 4: Simplify right side
    8,682.87x = 44,443,043.26
  5. Step 5: Solve for x
    x = 44,443,043.26/8,682.87
  6. Step 6: Final answer
    x = 5,118.47

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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.