Home / 4,489.70-6,197.21-3,072.85

Finding the Fourth Proportional to 4,489.70, 6,197.21 and 3,072.85

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Solution

The fourth proportional to 4,489.70, 6,197.21 and 3,072.85 is: 4,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.70 : 6,197.21 = 3,072.85 : x
  2. Step 2: Convert to fraction form
    4,489.70/6,197.21 = 3,072.85/x
  3. Step 3: Cross multiply
    4,489.70x = 6,197.21 × 3,072.85
  4. Step 4: Simplify right side
    4,489.70x = 19,043,112.27
  5. Step 5: Solve for x
    x = 19,043,112.27/4,489.70
  6. Step 6: Final answer
    x = 4,241.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.