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Finding the Fourth Proportional to 8,493.25, 12,734.05 and 4,325.19

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Solution

The fourth proportional to 8,493.25, 12,734.05 and 4,325.19 is: 6,484.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.25 : 12,734.05 = 4,325.19 : x
  2. Step 2: Convert to fraction form
    8,493.25/12,734.05 = 4,325.19/x
  3. Step 3: Cross multiply
    8,493.25x = 12,734.05 × 4,325.19
  4. Step 4: Simplify right side
    8,493.25x = 55,077,122.05
  5. Step 5: Solve for x
    x = 55,077,122.05/8,493.25
  6. Step 6: Final answer
    x = 6,484.81

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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.