Home / 4,229.19-6,344.39-1,307.72

Finding the Fourth Proportional to 4,229.19, 6,344.39 and 1,307.72

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Solution

The fourth proportional to 4,229.19, 6,344.39 and 1,307.72 is: 1,961.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229.19 : 6,344.39 = 1,307.72 : x
  2. Step 2: Convert to fraction form
    4,229.19/6,344.39 = 1,307.72/x
  3. Step 3: Cross multiply
    4,229.19x = 6,344.39 × 1,307.72
  4. Step 4: Simplify right side
    4,229.19x = 8,296,673.67
  5. Step 5: Solve for x
    x = 8,296,673.67/4,229.19
  6. Step 6: Final answer
    x = 1,961.77

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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.