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Finding the Fourth Proportional to 8,181.44, 12,272.16 and 3,567.68

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Solution

The fourth proportional to 8,181.44, 12,272.16 and 3,567.68 is: 5,351.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.44 : 12,272.16 = 3,567.68 : x
  2. Step 2: Convert to fraction form
    8,181.44/12,272.16 = 3,567.68/x
  3. Step 3: Cross multiply
    8,181.44x = 12,272.16 × 3,567.68
  4. Step 4: Simplify right side
    8,181.44x = 43,783,139.79
  5. Step 5: Solve for x
    x = 43,783,139.79/8,181.44
  6. Step 6: Final answer
    x = 5,351.52

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Half scale
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Double scale
Find fourth proportional to 8,182.44, 12,273.66 and 3,568.68
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.