Home / 6,982.30-9,635.70-3,838.48

Finding the Fourth Proportional to 6,982.30, 9,635.70 and 3,838.48

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Solution

The fourth proportional to 6,982.30, 9,635.70 and 3,838.48 is: 5,297.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.30 : 9,635.70 = 3,838.48 : x
  2. Step 2: Convert to fraction form
    6,982.30/9,635.70 = 3,838.48/x
  3. Step 3: Cross multiply
    6,982.30x = 9,635.70 × 3,838.48
  4. Step 4: Simplify right side
    6,982.30x = 36,986,441.74
  5. Step 5: Solve for x
    x = 36,986,441.74/6,982.30
  6. Step 6: Final answer
    x = 5,297.17

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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.