Home / 7,126.09-10,691.56-3,839.51

Finding the Fourth Proportional to 7,126.09, 10,691.56 and 3,839.51

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Solution

The fourth proportional to 7,126.09, 10,691.56 and 3,839.51 is: 5,760.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.09 : 10,691.56 = 3,839.51 : x
  2. Step 2: Convert to fraction form
    7,126.09/10,691.56 = 3,839.51/x
  3. Step 3: Cross multiply
    7,126.09x = 10,691.56 × 3,839.51
  4. Step 4: Simplify right side
    7,126.09x = 41,050,351.54
  5. Step 5: Solve for x
    x = 41,050,351.54/7,126.09
  6. Step 6: Final answer
    x = 5,760.57

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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.