Home / 8,189.33-12,286.06-3,258.95

Finding the Fourth Proportional to 8,189.33, 12,286.06 and 3,258.95

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Solution

The fourth proportional to 8,189.33, 12,286.06 and 3,258.95 is: 4,889.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.33 : 12,286.06 = 3,258.95 : x
  2. Step 2: Convert to fraction form
    8,189.33/12,286.06 = 3,258.95/x
  3. Step 3: Cross multiply
    8,189.33x = 12,286.06 × 3,258.95
  4. Step 4: Simplify right side
    8,189.33x = 40,039,585.66
  5. Step 5: Solve for x
    x = 40,039,585.66/8,189.33
  6. Step 6: Final answer
    x = 4,889.24

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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.