Home / 5,418.41-7,477.31-3,028.41

Finding the Fourth Proportional to 5,418.41, 7,477.31 and 3,028.41

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Solution

The fourth proportional to 5,418.41, 7,477.31 and 3,028.41 is: 4,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.41 : 7,477.31 = 3,028.41 : x
  2. Step 2: Convert to fraction form
    5,418.41/7,477.31 = 3,028.41/x
  3. Step 3: Cross multiply
    5,418.41x = 7,477.31 × 3,028.41
  4. Step 4: Simplify right side
    5,418.41x = 22,644,367.95
  5. Step 5: Solve for x
    x = 22,644,367.95/5,418.41
  6. Step 6: Final answer
    x = 4,179.16

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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.