Home / 4,770.69-7,158.82-1,997.12

Finding the Fourth Proportional to 4,770.69, 7,158.82 and 1,997.12

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Solution

The fourth proportional to 4,770.69, 7,158.82 and 1,997.12 is: 2,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.69 : 7,158.82 = 1,997.12 : x
  2. Step 2: Convert to fraction form
    4,770.69/7,158.82 = 1,997.12/x
  3. Step 3: Cross multiply
    4,770.69x = 7,158.82 × 1,997.12
  4. Step 4: Simplify right side
    4,770.69x = 14,297,022.60
  5. Step 5: Solve for x
    x = 14,297,022.60/4,770.69
  6. Step 6: Final answer
    x = 2,996.85

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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.