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Finding the Fourth Proportional to 7,190.68, 10,786.01 and 2,260.75

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Solution

The fourth proportional to 7,190.68, 10,786.01 and 2,260.75 is: 3,391.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.68 : 10,786.01 = 2,260.75 : x
  2. Step 2: Convert to fraction form
    7,190.68/10,786.01 = 2,260.75/x
  3. Step 3: Cross multiply
    7,190.68x = 10,786.01 × 2,260.75
  4. Step 4: Simplify right side
    7,190.68x = 24,384,406.87
  5. Step 5: Solve for x
    x = 24,384,406.87/7,190.68
  6. Step 6: Final answer
    x = 3,391.12

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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.