Home / 8,258.12-12,387.58-3,327.09

Finding the Fourth Proportional to 8,258.12, 12,387.58 and 3,327.09

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Solution

The fourth proportional to 8,258.12, 12,387.58 and 3,327.09 is: 4,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.12 : 12,387.58 = 3,327.09 : x
  2. Step 2: Convert to fraction form
    8,258.12/12,387.58 = 3,327.09/x
  3. Step 3: Cross multiply
    8,258.12x = 12,387.58 × 3,327.09
  4. Step 4: Simplify right side
    8,258.12x = 41,214,593.54
  5. Step 5: Solve for x
    x = 41,214,593.54/8,258.12
  6. Step 6: Final answer
    x = 4,990.80

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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.