Home / 7,229.66-10,841.75-3,940.95

Finding the Fourth Proportional to 7,229.66, 10,841.75 and 3,940.95

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Solution

The fourth proportional to 7,229.66, 10,841.75 and 3,940.95 is: 5,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.66 : 10,841.75 = 3,940.95 : x
  2. Step 2: Convert to fraction form
    7,229.66/10,841.75 = 3,940.95/x
  3. Step 3: Cross multiply
    7,229.66x = 10,841.75 × 3,940.95
  4. Step 4: Simplify right side
    7,229.66x = 42,726,830.39
  5. Step 5: Solve for x
    x = 42,726,830.39/7,229.66
  6. Step 6: Final answer
    x = 5,909.94

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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.