Home / 6,828.20-9,422.22-3,843.56

Finding the Fourth Proportional to 6,828.20, 9,422.22 and 3,843.56

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Solution

The fourth proportional to 6,828.20, 9,422.22 and 3,843.56 is: 5,303.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.20 : 9,422.22 = 3,843.56 : x
  2. Step 2: Convert to fraction form
    6,828.20/9,422.22 = 3,843.56/x
  3. Step 3: Cross multiply
    6,828.20x = 9,422.22 × 3,843.56
  4. Step 4: Simplify right side
    6,828.20x = 36,214,867.90
  5. Step 5: Solve for x
    x = 36,214,867.90/6,828.20
  6. Step 6: Final answer
    x = 5,303.72

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1.5x scale

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.