Home / 5,029.39-6,940.43-2,791.15

Finding the Fourth Proportional to 5,029.39, 6,940.43 and 2,791.15

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Solution

The fourth proportional to 5,029.39, 6,940.43 and 2,791.15 is: 3,851.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.39 : 6,940.43 = 2,791.15 : x
  2. Step 2: Convert to fraction form
    5,029.39/6,940.43 = 2,791.15/x
  3. Step 3: Cross multiply
    5,029.39x = 6,940.43 × 2,791.15
  4. Step 4: Simplify right side
    5,029.39x = 19,371,767.24
  5. Step 5: Solve for x
    x = 19,371,767.24/5,029.39
  6. Step 6: Final answer
    x = 3,851.71

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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.