Home / 6,786.58-10,179.39-2,106.48

Finding the Fourth Proportional to 6,786.58, 10,179.39 and 2,106.48

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Solution

The fourth proportional to 6,786.58, 10,179.39 and 2,106.48 is: 3,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.58 : 10,179.39 = 2,106.48 : x
  2. Step 2: Convert to fraction form
    6,786.58/10,179.39 = 2,106.48/x
  3. Step 3: Cross multiply
    6,786.58x = 10,179.39 × 2,106.48
  4. Step 4: Simplify right side
    6,786.58x = 21,442,620.02
  5. Step 5: Solve for x
    x = 21,442,620.02/6,786.58
  6. Step 6: Final answer
    x = 3,159.56

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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.