Home / 6,828.12-10,231.20-3,908.52

Finding the Fourth Proportional to 6,828.12, 10,231.20 and 3,908.52

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Solution

The fourth proportional to 6,828.12, 10,231.20 and 3,908.52 is: 5,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.12 : 10,231.20 = 3,908.52 : x
  2. Step 2: Convert to fraction form
    6,828.12/10,231.20 = 3,908.52/x
  3. Step 3: Cross multiply
    6,828.12x = 10,231.20 × 3,908.52
  4. Step 4: Simplify right side
    6,828.12x = 39,988,849.82
  5. Step 5: Solve for x
    x = 39,988,849.82/6,828.12
  6. Step 6: Final answer
    x = 5,856.49

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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.