Home / 6,826.91-9,418.86-3,842.10

Finding the Fourth Proportional to 6,826.91, 9,418.86 and 3,842.10

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Solution

The fourth proportional to 6,826.91, 9,418.86 and 3,842.10 is: 5,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,826.91 : 9,418.86 = 3,842.10 : x
  2. Step 2: Convert to fraction form
    6,826.91/9,418.86 = 3,842.10/x
  3. Step 3: Cross multiply
    6,826.91x = 9,418.86 × 3,842.10
  4. Step 4: Simplify right side
    6,826.91x = 36,188,202.01
  5. Step 5: Solve for x
    x = 36,188,202.01/6,826.91
  6. Step 6: Final answer
    x = 5,300.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.