Home / 8,258.56-12,388.20-3,260.92

Finding the Fourth Proportional to 8,258.56, 12,388.20 and 3,260.92

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Solution

The fourth proportional to 8,258.56, 12,388.20 and 3,260.92 is: 4,891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.56 : 12,388.20 = 3,260.92 : x
  2. Step 2: Convert to fraction form
    8,258.56/12,388.20 = 3,260.92/x
  3. Step 3: Cross multiply
    8,258.56x = 12,388.20 × 3,260.92
  4. Step 4: Simplify right side
    8,258.56x = 40,396,929.14
  5. Step 5: Solve for x
    x = 40,396,929.14/8,258.56
  6. Step 6: Final answer
    x = 4,891.52

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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.