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Finding the Fourth Proportional to 8,508.78, 12,766.97 and 4,346.60

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Solution

The fourth proportional to 8,508.78, 12,766.97 and 4,346.60 is: 6,521.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.78 : 12,766.97 = 4,346.60 : x
  2. Step 2: Convert to fraction form
    8,508.78/12,766.97 = 4,346.60/x
  3. Step 3: Cross multiply
    8,508.78x = 12,766.97 × 4,346.60
  4. Step 4: Simplify right side
    8,508.78x = 55,492,826.23
  5. Step 5: Solve for x
    x = 55,492,826.23/8,508.78
  6. Step 6: Final answer
    x = 6,521.83

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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.