Home / 8,211.41-12,326.34-3,284.52

Finding the Fourth Proportional to 8,211.41, 12,326.34 and 3,284.52

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Solution

The fourth proportional to 8,211.41, 12,326.34 and 3,284.52 is: 4,930.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.41 : 12,326.34 = 3,284.52 : x
  2. Step 2: Convert to fraction form
    8,211.41/12,326.34 = 3,284.52/x
  3. Step 3: Cross multiply
    8,211.41x = 12,326.34 × 3,284.52
  4. Step 4: Simplify right side
    8,211.41x = 40,486,076.35
  5. Step 5: Solve for x
    x = 40,486,076.35/8,211.41
  6. Step 6: Final answer
    x = 4,930.47

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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.