Home / 5,391.40-7,439.82-3,033.44

Finding the Fourth Proportional to 5,391.40, 7,439.82 and 3,033.44

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Solution

The fourth proportional to 5,391.40, 7,439.82 and 3,033.44 is: 4,185.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.40 : 7,439.82 = 3,033.44 : x
  2. Step 2: Convert to fraction form
    5,391.40/7,439.82 = 3,033.44/x
  3. Step 3: Cross multiply
    5,391.40x = 7,439.82 × 3,033.44
  4. Step 4: Simplify right side
    5,391.40x = 22,568,247.58
  5. Step 5: Solve for x
    x = 22,568,247.58/5,391.40
  6. Step 6: Final answer
    x = 4,185.97

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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.