Home / 6,786.57-10,179.36-2,106.46

Finding the Fourth Proportional to 6,786.57, 10,179.36 and 2,106.46

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Solution

The fourth proportional to 6,786.57, 10,179.36 and 2,106.46 is: 3,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.57 : 10,179.36 = 2,106.46 : x
  2. Step 2: Convert to fraction form
    6,786.57/10,179.36 = 2,106.46/x
  3. Step 3: Cross multiply
    6,786.57x = 10,179.36 × 2,106.46
  4. Step 4: Simplify right side
    6,786.57x = 21,442,414.67
  5. Step 5: Solve for x
    x = 21,442,414.67/6,786.57
  6. Step 6: Final answer
    x = 3,159.54

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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.