Home / 6,860.30-10,286.60-2,179.46

Finding the Fourth Proportional to 6,860.30, 10,286.60 and 2,179.46

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Solution

The fourth proportional to 6,860.30, 10,286.60 and 2,179.46 is: 3,267.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.30 : 10,286.60 = 2,179.46 : x
  2. Step 2: Convert to fraction form
    6,860.30/10,286.60 = 2,179.46/x
  3. Step 3: Cross multiply
    6,860.30x = 10,286.60 × 2,179.46
  4. Step 4: Simplify right side
    6,860.30x = 22,419,190.19
  5. Step 5: Solve for x
    x = 22,419,190.19/6,860.30
  6. Step 6: Final answer
    x = 3,267.96

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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.