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Finding the Fourth Proportional to 4,795.09, 7,183.42 and 2,940.80

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Solution

The fourth proportional to 4,795.09, 7,183.42 and 2,940.80 is: 4,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,795.09 : 7,183.42 = 2,940.80 : x
  2. Step 2: Convert to fraction form
    4,795.09/7,183.42 = 2,940.80/x
  3. Step 3: Cross multiply
    4,795.09x = 7,183.42 × 2,940.80
  4. Step 4: Simplify right side
    4,795.09x = 21,124,958.27
  5. Step 5: Solve for x
    x = 21,124,958.27/4,795.09
  6. Step 6: Final answer
    x = 4,405.54

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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.