Home / 8,258.15-12,387.63-3,327.12

Finding the Fourth Proportional to 8,258.15, 12,387.63 and 3,327.12

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Solution

The fourth proportional to 8,258.15, 12,387.63 and 3,327.12 is: 4,990.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.15 : 12,387.63 = 3,327.12 : x
  2. Step 2: Convert to fraction form
    8,258.15/12,387.63 = 3,327.12/x
  3. Step 3: Cross multiply
    8,258.15x = 12,387.63 × 3,327.12
  4. Step 4: Simplify right side
    8,258.15x = 41,215,131.53
  5. Step 5: Solve for x
    x = 41,215,131.53/8,258.15
  6. Step 6: Final answer
    x = 4,990.84

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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.