Home / 4,229.25-6,344.48-1,307.78

Finding the Fourth Proportional to 4,229.25, 6,344.48 and 1,307.78

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Solution

The fourth proportional to 4,229.25, 6,344.48 and 1,307.78 is: 1,961.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229.25 : 6,344.48 = 1,307.78 : x
  2. Step 2: Convert to fraction form
    4,229.25/6,344.48 = 1,307.78/x
  3. Step 3: Cross multiply
    4,229.25x = 6,344.48 × 1,307.78
  4. Step 4: Simplify right side
    4,229.25x = 8,297,184.05
  5. Step 5: Solve for x
    x = 8,297,184.05/4,229.25
  6. Step 6: Final answer
    x = 1,961.86

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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.