Home / 6,974.73-9,623.07-3,989.97

Finding the Fourth Proportional to 6,974.73, 9,623.07 and 3,989.97

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Solution

The fourth proportional to 6,974.73, 9,623.07 and 3,989.97 is: 5,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,974.73 : 9,623.07 = 3,989.97 : x
  2. Step 2: Convert to fraction form
    6,974.73/9,623.07 = 3,989.97/x
  3. Step 3: Cross multiply
    6,974.73x = 9,623.07 × 3,989.97
  4. Step 4: Simplify right side
    6,974.73x = 38,395,760.61
  5. Step 5: Solve for x
    x = 38,395,760.61/6,974.73
  6. Step 6: Final answer
    x = 5,504.98

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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.