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Finding the Fourth Proportional to 8,166.39, 11,269.62 and 4,440.39

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Solution

The fourth proportional to 8,166.39, 11,269.62 and 4,440.39 is: 6,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.39 : 11,269.62 = 4,440.39 : x
  2. Step 2: Convert to fraction form
    8,166.39/11,269.62 = 4,440.39/x
  3. Step 3: Cross multiply
    8,166.39x = 11,269.62 × 4,440.39
  4. Step 4: Simplify right side
    8,166.39x = 50,041,507.95
  5. Step 5: Solve for x
    x = 50,041,507.95/8,166.39
  6. Step 6: Final answer
    x = 6,127.74

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.