Home / 4,229.20-6,344.40-1,306.96

Finding the Fourth Proportional to 4,229.20, 6,344.40 and 1,306.96

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Solution

The fourth proportional to 4,229.20, 6,344.40 and 1,306.96 is: 1,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229.20 : 6,344.40 = 1,306.96 : x
  2. Step 2: Convert to fraction form
    4,229.20/6,344.40 = 1,306.96/x
  3. Step 3: Cross multiply
    4,229.20x = 6,344.40 × 1,306.96
  4. Step 4: Simplify right side
    4,229.20x = 8,291,877.02
  5. Step 5: Solve for x
    x = 8,291,877.02/4,229.20
  6. Step 6: Final answer
    x = 1,960.63

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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.