Home / 4,144.70-6,220.45-4,112.30

Finding the Fourth Proportional to 4,144.70, 6,220.45 and 4,112.30

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Solution

The fourth proportional to 4,144.70, 6,220.45 and 4,112.30 is: 6,171.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,144.70 : 6,220.45 = 4,112.30 : x
  2. Step 2: Convert to fraction form
    4,144.70/6,220.45 = 4,112.30/x
  3. Step 3: Cross multiply
    4,144.70x = 6,220.45 × 4,112.30
  4. Step 4: Simplify right side
    4,144.70x = 25,580,356.54
  5. Step 5: Solve for x
    x = 25,580,356.54/4,144.70
  6. Step 6: Final answer
    x = 6,171.82

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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.