Home / 5,149.31-7,106.06-2,791.46

Finding the Fourth Proportional to 5,149.31, 7,106.06 and 2,791.46

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Solution

The fourth proportional to 5,149.31, 7,106.06 and 2,791.46 is: 3,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.31 : 7,106.06 = 2,791.46 : x
  2. Step 2: Convert to fraction form
    5,149.31/7,106.06 = 2,791.46/x
  3. Step 3: Cross multiply
    5,149.31x = 7,106.06 × 2,791.46
  4. Step 4: Simplify right side
    5,149.31x = 19,836,264.48
  5. Step 5: Solve for x
    x = 19,836,264.48/5,149.31
  6. Step 6: Final answer
    x = 3,852.22

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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.