Home / 4,120.07-6,144.33-3,976.56

Finding the Fourth Proportional to 4,120.07, 6,144.33 and 3,976.56

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Solution

The fourth proportional to 4,120.07, 6,144.33 and 3,976.56 is: 5,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.07 : 6,144.33 = 3,976.56 : x
  2. Step 2: Convert to fraction form
    4,120.07/6,144.33 = 3,976.56/x
  3. Step 3: Cross multiply
    4,120.07x = 6,144.33 × 3,976.56
  4. Step 4: Simplify right side
    4,120.07x = 24,433,296.90
  5. Step 5: Solve for x
    x = 24,433,296.90/4,120.07
  6. Step 6: Final answer
    x = 5,930.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.