Home / 8,258.33-12,387.38-3,872.67

Finding the Fourth Proportional to 8,258.33, 12,387.38 and 3,872.67

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Solution

The fourth proportional to 8,258.33, 12,387.38 and 3,872.67 is: 5,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.33 : 12,387.38 = 3,872.67 : x
  2. Step 2: Convert to fraction form
    8,258.33/12,387.38 = 3,872.67/x
  3. Step 3: Cross multiply
    8,258.33x = 12,387.38 × 3,872.67
  4. Step 4: Simplify right side
    8,258.33x = 47,972,215.54
  5. Step 5: Solve for x
    x = 47,972,215.54/8,258.33
  6. Step 6: Final answer
    x = 5,808.95

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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.