Home / 7,179.19-10,770.83-2,797.90

Finding the Fourth Proportional to 7,179.19, 10,770.83 and 2,797.90

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Solution

The fourth proportional to 7,179.19, 10,770.83 and 2,797.90 is: 4,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.19 : 10,770.83 = 2,797.90 : x
  2. Step 2: Convert to fraction form
    7,179.19/10,770.83 = 2,797.90/x
  3. Step 3: Cross multiply
    7,179.19x = 10,770.83 × 2,797.90
  4. Step 4: Simplify right side
    7,179.19x = 30,135,705.26
  5. Step 5: Solve for x
    x = 30,135,705.26/7,179.19
  6. Step 6: Final answer
    x = 4,197.65

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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.