Home / 4,251.78-6,377.67-1,330.29

Finding the Fourth Proportional to 4,251.78, 6,377.67 and 1,330.29

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Solution

The fourth proportional to 4,251.78, 6,377.67 and 1,330.29 is: 1,995.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.78 : 6,377.67 = 1,330.29 : x
  2. Step 2: Convert to fraction form
    4,251.78/6,377.67 = 1,330.29/x
  3. Step 3: Cross multiply
    4,251.78x = 6,377.67 × 1,330.29
  4. Step 4: Simplify right side
    4,251.78x = 8,484,150.62
  5. Step 5: Solve for x
    x = 8,484,150.62/4,251.78
  6. Step 6: Final answer
    x = 1,995.44

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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.