Home / 5,418.43-7,476.69-3,028.11

Finding the Fourth Proportional to 5,418.43, 7,476.69 and 3,028.11

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Solution

The fourth proportional to 5,418.43, 7,476.69 and 3,028.11 is: 4,178.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.43 : 7,476.69 = 3,028.11 : x
  2. Step 2: Convert to fraction form
    5,418.43/7,476.69 = 3,028.11/x
  3. Step 3: Cross multiply
    5,418.43x = 7,476.69 × 3,028.11
  4. Step 4: Simplify right side
    5,418.43x = 22,640,243.31
  5. Step 5: Solve for x
    x = 22,640,243.31/5,418.43
  6. Step 6: Final answer
    x = 4,178.38

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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.