Home / 7,190.20-10,770.18-3,297.88

Finding the Fourth Proportional to 7,190.20, 10,770.18 and 3,297.88

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Solution

The fourth proportional to 7,190.20, 10,770.18 and 3,297.88 is: 4,939.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.20 : 10,770.18 = 3,297.88 : x
  2. Step 2: Convert to fraction form
    7,190.20/10,770.18 = 3,297.88/x
  3. Step 3: Cross multiply
    7,190.20x = 10,770.18 × 3,297.88
  4. Step 4: Simplify right side
    7,190.20x = 35,518,761.22
  5. Step 5: Solve for x
    x = 35,518,761.22/7,190.20
  6. Step 6: Final answer
    x = 4,939.89

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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.