Home / 6,938.14-10,404.68-2,006.78

Finding the Fourth Proportional to 6,938.14, 10,404.68 and 2,006.78

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Solution

The fourth proportional to 6,938.14, 10,404.68 and 2,006.78 is: 3,009.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.14 : 10,404.68 = 2,006.78 : x
  2. Step 2: Convert to fraction form
    6,938.14/10,404.68 = 2,006.78/x
  3. Step 3: Cross multiply
    6,938.14x = 10,404.68 × 2,006.78
  4. Step 4: Simplify right side
    6,938.14x = 20,879,903.73
  5. Step 5: Solve for x
    x = 20,879,903.73/6,938.14
  6. Step 6: Final answer
    x = 3,009.44

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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.