Home / 7,190.64-10,786.68-3,294.48

Finding the Fourth Proportional to 7,190.64, 10,786.68 and 3,294.48

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Solution

The fourth proportional to 7,190.64, 10,786.68 and 3,294.48 is: 4,942.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.64 : 10,786.68 = 3,294.48 : x
  2. Step 2: Convert to fraction form
    7,190.64/10,786.68 = 3,294.48/x
  3. Step 3: Cross multiply
    7,190.64x = 10,786.68 × 3,294.48
  4. Step 4: Simplify right side
    7,190.64x = 35,536,501.53
  5. Step 5: Solve for x
    x = 35,536,501.53/7,190.64
  6. Step 6: Final answer
    x = 4,942.05

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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.