Home / 5,028.97-6,940.40-2,791.31

Finding the Fourth Proportional to 5,028.97, 6,940.40 and 2,791.31

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Solution

The fourth proportional to 5,028.97, 6,940.40 and 2,791.31 is: 3,852.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.97 : 6,940.40 = 2,791.31 : x
  2. Step 2: Convert to fraction form
    5,028.97/6,940.40 = 2,791.31/x
  3. Step 3: Cross multiply
    5,028.97x = 6,940.40 × 2,791.31
  4. Step 4: Simplify right side
    5,028.97x = 19,372,811.32
  5. Step 5: Solve for x
    x = 19,372,811.32/5,028.97
  6. Step 6: Final answer
    x = 3,852.24

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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.