Home / 6,949.36-10,419.92-2,791.34

Finding the Fourth Proportional to 6,949.36, 10,419.92 and 2,791.34

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Solution

The fourth proportional to 6,949.36, 10,419.92 and 2,791.34 is: 4,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.36 : 10,419.92 = 2,791.34 : x
  2. Step 2: Convert to fraction form
    6,949.36/10,419.92 = 2,791.34/x
  3. Step 3: Cross multiply
    6,949.36x = 10,419.92 × 2,791.34
  4. Step 4: Simplify right side
    6,949.36x = 29,085,539.49
  5. Step 5: Solve for x
    x = 29,085,539.49/6,949.36
  6. Step 6: Final answer
    x = 4,185.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.