Home / 4,329-5,974.79-4,131.78

Finding the Fourth Proportional to 4,329, 5,974.79 and 4,131.78

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Solution

The fourth proportional to 4,329, 5,974.79 and 4,131.78 is: 5,702.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329 : 5,974.79 = 4,131.78 : x
  2. Step 2: Convert to fraction form
    4,329/5,974.79 = 4,131.78/x
  3. Step 3: Cross multiply
    4,329x = 5,974.79 × 4,131.78
  4. Step 4: Simplify right side
    4,329x = 24,686,517.83
  5. Step 5: Solve for x
    x = 24,686,517.83/4,329
  6. Step 6: Final answer
    x = 5,702.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.