Home / 6,822.20-9,414.06-3,837.80

Finding the Fourth Proportional to 6,822.20, 9,414.06 and 3,837.80

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Solution

The fourth proportional to 6,822.20, 9,414.06 and 3,837.80 is: 5,295.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.20 : 9,414.06 = 3,837.80 : x
  2. Step 2: Convert to fraction form
    6,822.20/9,414.06 = 3,837.80/x
  3. Step 3: Cross multiply
    6,822.20x = 9,414.06 × 3,837.80
  4. Step 4: Simplify right side
    6,822.20x = 36,129,279.47
  5. Step 5: Solve for x
    x = 36,129,279.47/6,822.20
  6. Step 6: Final answer
    x = 5,295.84

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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.