Home / 6,787.14-10,161.12-3,967.43

Finding the Fourth Proportional to 6,787.14, 10,161.12 and 3,967.43

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Solution

The fourth proportional to 6,787.14, 10,161.12 and 3,967.43 is: 5,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.14 : 10,161.12 = 3,967.43 : x
  2. Step 2: Convert to fraction form
    6,787.14/10,161.12 = 3,967.43/x
  3. Step 3: Cross multiply
    6,787.14x = 10,161.12 × 3,967.43
  4. Step 4: Simplify right side
    6,787.14x = 40,313,542.39
  5. Step 5: Solve for x
    x = 40,313,542.39/6,787.14
  6. Step 6: Final answer
    x = 5,939.69

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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.