Home / 4,040.42-5,578.90-3,257.96

Finding the Fourth Proportional to 4,040.42, 5,578.90 and 3,257.96

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Solution

The fourth proportional to 4,040.42, 5,578.90 and 3,257.96 is: 4,498.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.42 : 5,578.90 = 3,257.96 : x
  2. Step 2: Convert to fraction form
    4,040.42/5,578.90 = 3,257.96/x
  3. Step 3: Cross multiply
    4,040.42x = 5,578.90 × 3,257.96
  4. Step 4: Simplify right side
    4,040.42x = 18,175,833.04
  5. Step 5: Solve for x
    x = 18,175,833.04/4,040.42
  6. Step 6: Final answer
    x = 4,498.50

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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.