Home / 8,258.04-12,387.10-2,786.04

Finding the Fourth Proportional to 8,258.04, 12,387.10 and 2,786.04

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Solution

The fourth proportional to 8,258.04, 12,387.10 and 2,786.04 is: 4,179.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.04 : 12,387.10 = 2,786.04 : x
  2. Step 2: Convert to fraction form
    8,258.04/12,387.10 = 2,786.04/x
  3. Step 3: Cross multiply
    8,258.04x = 12,387.10 × 2,786.04
  4. Step 4: Simplify right side
    8,258.04x = 34,510,956.08
  5. Step 5: Solve for x
    x = 34,510,956.08/8,258.04
  6. Step 6: Final answer
    x = 4,179.07

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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.