Home / 7,126.14-10,694.97-3,664.38

Finding the Fourth Proportional to 7,126.14, 10,694.97 and 3,664.38

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Solution

The fourth proportional to 7,126.14, 10,694.97 and 3,664.38 is: 5,499.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.14 : 10,694.97 = 3,664.38 : x
  2. Step 2: Convert to fraction form
    7,126.14/10,694.97 = 3,664.38/x
  3. Step 3: Cross multiply
    7,126.14x = 10,694.97 × 3,664.38
  4. Step 4: Simplify right side
    7,126.14x = 39,190,434.17
  5. Step 5: Solve for x
    x = 39,190,434.17/7,126.14
  6. Step 6: Final answer
    x = 5,499.53

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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.