Home / 8,164.20-12,236.70-4,266.60

Finding the Fourth Proportional to 8,164.20, 12,236.70 and 4,266.60

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Solution

The fourth proportional to 8,164.20, 12,236.70 and 4,266.60 is: 6,394.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.20 : 12,236.70 = 4,266.60 : x
  2. Step 2: Convert to fraction form
    8,164.20/12,236.70 = 4,266.60/x
  3. Step 3: Cross multiply
    8,164.20x = 12,236.70 × 4,266.60
  4. Step 4: Simplify right side
    8,164.20x = 52,209,104.22
  5. Step 5: Solve for x
    x = 52,209,104.22/8,164.20
  6. Step 6: Final answer
    x = 6,394.88

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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.