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Finding the Fourth Proportional to 8,793.66, 13,190.07 and 3,246.60

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Solution

The fourth proportional to 8,793.66, 13,190.07 and 3,246.60 is: 4,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.66 : 13,190.07 = 3,246.60 : x
  2. Step 2: Convert to fraction form
    8,793.66/13,190.07 = 3,246.60/x
  3. Step 3: Cross multiply
    8,793.66x = 13,190.07 × 3,246.60
  4. Step 4: Simplify right side
    8,793.66x = 42,822,881.26
  5. Step 5: Solve for x
    x = 42,822,881.26/8,793.66
  6. Step 6: Final answer
    x = 4,869.74

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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.