Home / 7,384.82-11,079.05-2,190.69

Finding the Fourth Proportional to 7,384.82, 11,079.05 and 2,190.69

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Solution

The fourth proportional to 7,384.82, 11,079.05 and 2,190.69 is: 3,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.82 : 11,079.05 = 2,190.69 : x
  2. Step 2: Convert to fraction form
    7,384.82/11,079.05 = 2,190.69/x
  3. Step 3: Cross multiply
    7,384.82x = 11,079.05 × 2,190.69
  4. Step 4: Simplify right side
    7,384.82x = 24,270,753.09
  5. Step 5: Solve for x
    x = 24,270,753.09/7,384.82
  6. Step 6: Final answer
    x = 3,286.58

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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.