Home / 8,168.28-12,257.04-4,419.96

Finding the Fourth Proportional to 8,168.28, 12,257.04 and 4,419.96

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Solution

The fourth proportional to 8,168.28, 12,257.04 and 4,419.96 is: 6,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.28 : 12,257.04 = 4,419.96 : x
  2. Step 2: Convert to fraction form
    8,168.28/12,257.04 = 4,419.96/x
  3. Step 3: Cross multiply
    8,168.28x = 12,257.04 × 4,419.96
  4. Step 4: Simplify right side
    8,168.28x = 54,175,626.52
  5. Step 5: Solve for x
    x = 54,175,626.52/8,168.28
  6. Step 6: Final answer
    x = 6,632.44

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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.