Home / 5,029.93-6,940.97-2,791.80

Finding the Fourth Proportional to 5,029.93, 6,940.97 and 2,791.80

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Solution

The fourth proportional to 5,029.93, 6,940.97 and 2,791.80 is: 3,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.93 : 6,940.97 = 2,791.80 : x
  2. Step 2: Convert to fraction form
    5,029.93/6,940.97 = 2,791.80/x
  3. Step 3: Cross multiply
    5,029.93x = 6,940.97 × 2,791.80
  4. Step 4: Simplify right side
    5,029.93x = 19,377,800.05
  5. Step 5: Solve for x
    x = 19,377,800.05/5,029.93
  6. Step 6: Final answer
    x = 3,852.50

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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.