Home / 7,377.75-10,183.32-4,991.09

Finding the Fourth Proportional to 7,377.75, 10,183.32 and 4,991.09

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Solution

The fourth proportional to 7,377.75, 10,183.32 and 4,991.09 is: 6,889.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.75 : 10,183.32 = 4,991.09 : x
  2. Step 2: Convert to fraction form
    7,377.75/10,183.32 = 4,991.09/x
  3. Step 3: Cross multiply
    7,377.75x = 10,183.32 × 4,991.09
  4. Step 4: Simplify right side
    7,377.75x = 50,825,815.70
  5. Step 5: Solve for x
    x = 50,825,815.70/7,377.75
  6. Step 6: Final answer
    x = 6,889.07

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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.