Home / 5,028.74-6,940.10-2,791.05

Finding the Fourth Proportional to 5,028.74, 6,940.10 and 2,791.05

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Solution

The fourth proportional to 5,028.74, 6,940.10 and 2,791.05 is: 3,851.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.74 : 6,940.10 = 2,791.05 : x
  2. Step 2: Convert to fraction form
    5,028.74/6,940.10 = 2,791.05/x
  3. Step 3: Cross multiply
    5,028.74x = 6,940.10 × 2,791.05
  4. Step 4: Simplify right side
    5,028.74x = 19,370,186.10
  5. Step 5: Solve for x
    x = 19,370,186.10/5,028.74
  6. Step 6: Final answer
    x = 3,851.89

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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.