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Finding the Fourth Proportional to 8,171.88, 12,257.85 and 2,248.85

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Solution

The fourth proportional to 8,171.88, 12,257.85 and 2,248.85 is: 3,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.88 : 12,257.85 = 2,248.85 : x
  2. Step 2: Convert to fraction form
    8,171.88/12,257.85 = 2,248.85/x
  3. Step 3: Cross multiply
    8,171.88x = 12,257.85 × 2,248.85
  4. Step 4: Simplify right side
    8,171.88x = 27,565,993.44
  5. Step 5: Solve for x
    x = 27,565,993.44/8,171.88
  6. Step 6: Final answer
    x = 3,373.27

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Half scale
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Double scale
Find fourth proportional to 8,172.88, 12,259.35 and 2,249.85
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.