Home / 7,229.50-10,845.78-4,111

Finding the Fourth Proportional to 7,229.50, 10,845.78 and 4,111

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Solution

The fourth proportional to 7,229.50, 10,845.78 and 4,111 is: 6,167.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.50 : 10,845.78 = 4,111 : x
  2. Step 2: Convert to fraction form
    7,229.50/10,845.78 = 4,111/x
  3. Step 3: Cross multiply
    7,229.50x = 10,845.78 × 4,111
  4. Step 4: Simplify right side
    7,229.50x = 44,587,001.58
  5. Step 5: Solve for x
    x = 44,587,001.58/7,229.50
  6. Step 6: Final answer
    x = 6,167.37

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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.