Home / 7,939.70-11,902.83-3,006.62

Finding the Fourth Proportional to 7,939.70, 11,902.83 and 3,006.62

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Solution

The fourth proportional to 7,939.70, 11,902.83 and 3,006.62 is: 4,507.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.70 : 11,902.83 = 3,006.62 : x
  2. Step 2: Convert to fraction form
    7,939.70/11,902.83 = 3,006.62/x
  3. Step 3: Cross multiply
    7,939.70x = 11,902.83 × 3,006.62
  4. Step 4: Simplify right side
    7,939.70x = 35,787,286.73
  5. Step 5: Solve for x
    x = 35,787,286.73/7,939.70
  6. Step 6: Final answer
    x = 4,507.39

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1.5x scale

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.