Home / 4,040.85-5,578.97-3,642.33

Finding the Fourth Proportional to 4,040.85, 5,578.97 and 3,642.33

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Solution

The fourth proportional to 4,040.85, 5,578.97 and 3,642.33 is: 5,028.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.85 : 5,578.97 = 3,642.33 : x
  2. Step 2: Convert to fraction form
    4,040.85/5,578.97 = 3,642.33/x
  3. Step 3: Cross multiply
    4,040.85x = 5,578.97 × 3,642.33
  4. Step 4: Simplify right side
    4,040.85x = 20,320,431.59
  5. Step 5: Solve for x
    x = 20,320,431.59/4,040.85
  6. Step 6: Final answer
    x = 5,028.75

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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.