Home / 5,029.82-6,940.81-2,791.55

Finding the Fourth Proportional to 5,029.82, 6,940.81 and 2,791.55

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Solution

The fourth proportional to 5,029.82, 6,940.81 and 2,791.55 is: 3,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.82 : 6,940.81 = 2,791.55 : x
  2. Step 2: Convert to fraction form
    5,029.82/6,940.81 = 2,791.55/x
  3. Step 3: Cross multiply
    5,029.82x = 6,940.81 × 2,791.55
  4. Step 4: Simplify right side
    5,029.82x = 19,375,618.16
  5. Step 5: Solve for x
    x = 19,375,618.16/5,029.82
  6. Step 6: Final answer
    x = 3,852.15

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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.