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Finding the Fourth Proportional to 8,893.20, 13,336.20 and 3,046.80

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Solution

The fourth proportional to 8,893.20, 13,336.20 and 3,046.80 is: 4,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.20 : 13,336.20 = 3,046.80 : x
  2. Step 2: Convert to fraction form
    8,893.20/13,336.20 = 3,046.80/x
  3. Step 3: Cross multiply
    8,893.20x = 13,336.20 × 3,046.80
  4. Step 4: Simplify right side
    8,893.20x = 40,632,734.16
  5. Step 5: Solve for x
    x = 40,632,734.16/8,893.20
  6. Step 6: Final answer
    x = 4,568.97

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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.