Home / 8,204.20-12,306.30-4,308.10

Finding the Fourth Proportional to 8,204.20, 12,306.30 and 4,308.10

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Solution

The fourth proportional to 8,204.20, 12,306.30 and 4,308.10 is: 6,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.20 : 12,306.30 = 4,308.10 : x
  2. Step 2: Convert to fraction form
    8,204.20/12,306.30 = 4,308.10/x
  3. Step 3: Cross multiply
    8,204.20x = 12,306.30 × 4,308.10
  4. Step 4: Simplify right side
    8,204.20x = 53,016,771.03
  5. Step 5: Solve for x
    x = 53,016,771.03/8,204.20
  6. Step 6: Final answer
    x = 6,462.15

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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.