Home / 7,976.73-11,007.72-4,620.15

Finding the Fourth Proportional to 7,976.73, 11,007.72 and 4,620.15

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Solution

The fourth proportional to 7,976.73, 11,007.72 and 4,620.15 is: 6,375.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.73 : 11,007.72 = 4,620.15 : x
  2. Step 2: Convert to fraction form
    7,976.73/11,007.72 = 4,620.15/x
  3. Step 3: Cross multiply
    7,976.73x = 11,007.72 × 4,620.15
  4. Step 4: Simplify right side
    7,976.73x = 50,857,317.56
  5. Step 5: Solve for x
    x = 50,857,317.56/7,976.73
  6. Step 6: Final answer
    x = 6,375.71

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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.