Home / 5,163.97-7,127.31-3,277.80

Finding the Fourth Proportional to 5,163.97, 7,127.31 and 3,277.80

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Solution

The fourth proportional to 5,163.97, 7,127.31 and 3,277.80 is: 4,524.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.97 : 7,127.31 = 3,277.80 : x
  2. Step 2: Convert to fraction form
    5,163.97/7,127.31 = 3,277.80/x
  3. Step 3: Cross multiply
    5,163.97x = 7,127.31 × 3,277.80
  4. Step 4: Simplify right side
    5,163.97x = 23,361,890.57
  5. Step 5: Solve for x
    x = 23,361,890.57/5,163.97
  6. Step 6: Final answer
    x = 4,524.02

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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.