Home / 8,258.14-12,387.20-2,786.14

Finding the Fourth Proportional to 8,258.14, 12,387.20 and 2,786.14

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Solution

The fourth proportional to 8,258.14, 12,387.20 and 2,786.14 is: 4,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.14 : 12,387.20 = 2,786.14 : x
  2. Step 2: Convert to fraction form
    8,258.14/12,387.20 = 2,786.14/x
  3. Step 3: Cross multiply
    8,258.14x = 12,387.20 × 2,786.14
  4. Step 4: Simplify right side
    8,258.14x = 34,512,473.41
  5. Step 5: Solve for x
    x = 34,512,473.41/8,258.14
  6. Step 6: Final answer
    x = 4,179.21

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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.