Home / 6,981.41-10,474.55-3,286.46

Finding the Fourth Proportional to 6,981.41, 10,474.55 and 3,286.46

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Solution

The fourth proportional to 6,981.41, 10,474.55 and 3,286.46 is: 4,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.41 : 10,474.55 = 3,286.46 : x
  2. Step 2: Convert to fraction form
    6,981.41/10,474.55 = 3,286.46/x
  3. Step 3: Cross multiply
    6,981.41x = 10,474.55 × 3,286.46
  4. Step 4: Simplify right side
    6,981.41x = 34,424,120.79
  5. Step 5: Solve for x
    x = 34,424,120.79/6,981.41
  6. Step 6: Final answer
    x = 4,930.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.