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Finding the Fourth Proportional to 8,853.57, 13,269.11 and 4,163.27

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Solution

The fourth proportional to 8,853.57, 13,269.11 and 4,163.27 is: 6,239.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.57 : 13,269.11 = 4,163.27 : x
  2. Step 2: Convert to fraction form
    8,853.57/13,269.11 = 4,163.27/x
  3. Step 3: Cross multiply
    8,853.57x = 13,269.11 × 4,163.27
  4. Step 4: Simplify right side
    8,853.57x = 55,242,800.43
  5. Step 5: Solve for x
    x = 55,242,800.43/8,853.57
  6. Step 6: Final answer
    x = 6,239.61

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1.5x scale

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.