Home / 6,974.86-9,625.31-3,831.05

Finding the Fourth Proportional to 6,974.86, 9,625.31 and 3,831.05

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Solution

The fourth proportional to 6,974.86, 9,625.31 and 3,831.05 is: 5,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,974.86 : 9,625.31 = 3,831.05 : x
  2. Step 2: Convert to fraction form
    6,974.86/9,625.31 = 3,831.05/x
  3. Step 3: Cross multiply
    6,974.86x = 9,625.31 × 3,831.05
  4. Step 4: Simplify right side
    6,974.86x = 36,874,998.23
  5. Step 5: Solve for x
    x = 36,874,998.23/6,974.86
  6. Step 6: Final answer
    x = 5,286.84

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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.