Home / 5,272.62-7,908.86-2,151.94

Finding the Fourth Proportional to 5,272.62, 7,908.86 and 2,151.94

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Solution

The fourth proportional to 5,272.62, 7,908.86 and 2,151.94 is: 3,227.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.62 : 7,908.86 = 2,151.94 : x
  2. Step 2: Convert to fraction form
    5,272.62/7,908.86 = 2,151.94/x
  3. Step 3: Cross multiply
    5,272.62x = 7,908.86 × 2,151.94
  4. Step 4: Simplify right side
    5,272.62x = 17,019,392.19
  5. Step 5: Solve for x
    x = 17,019,392.19/5,272.62
  6. Step 6: Final answer
    x = 3,227.88

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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.