Home / 6,121.36-8,447.52-3,326.86

Finding the Fourth Proportional to 6,121.36, 8,447.52 and 3,326.86

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Solution

The fourth proportional to 6,121.36, 8,447.52 and 3,326.86 is: 4,591.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.36 : 8,447.52 = 3,326.86 : x
  2. Step 2: Convert to fraction form
    6,121.36/8,447.52 = 3,326.86/x
  3. Step 3: Cross multiply
    6,121.36x = 8,447.52 × 3,326.86
  4. Step 4: Simplify right side
    6,121.36x = 28,103,716.39
  5. Step 5: Solve for x
    x = 28,103,716.39/6,121.36
  6. Step 6: Final answer
    x = 4,591.09

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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.