Home / 8,091.06-12,135.78-2,247.18

Finding the Fourth Proportional to 8,091.06, 12,135.78 and 2,247.18

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Solution

The fourth proportional to 8,091.06, 12,135.78 and 2,247.18 is: 3,370.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.06 : 12,135.78 = 2,247.18 : x
  2. Step 2: Convert to fraction form
    8,091.06/12,135.78 = 2,247.18/x
  3. Step 3: Cross multiply
    8,091.06x = 12,135.78 × 2,247.18
  4. Step 4: Simplify right side
    8,091.06x = 27,271,282.10
  5. Step 5: Solve for x
    x = 27,271,282.10/8,091.06
  6. Step 6: Final answer
    x = 3,370.55

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Half scale
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Double scale
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Similar ratio
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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.