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Finding the Fourth Proportional to 8,091.65, 12,138.08 and 2,248.71

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Solution

The fourth proportional to 8,091.65, 12,138.08 and 2,248.71 is: 3,373.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.65 : 12,138.08 = 2,248.71 : x
  2. Step 2: Convert to fraction form
    8,091.65/12,138.08 = 2,248.71/x
  3. Step 3: Cross multiply
    8,091.65x = 12,138.08 × 2,248.71
  4. Step 4: Simplify right side
    8,091.65x = 27,295,010.63
  5. Step 5: Solve for x
    x = 27,295,010.63/8,091.65
  6. Step 6: Final answer
    x = 3,373.23

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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.