Home / 6,938.49-10,397.42-4,161.91

Finding the Fourth Proportional to 6,938.49, 10,397.42 and 4,161.91

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Solution

The fourth proportional to 6,938.49, 10,397.42 and 4,161.91 is: 6,236.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.49 : 10,397.42 = 4,161.91 : x
  2. Step 2: Convert to fraction form
    6,938.49/10,397.42 = 4,161.91/x
  3. Step 3: Cross multiply
    6,938.49x = 10,397.42 × 4,161.91
  4. Step 4: Simplify right side
    6,938.49x = 43,273,110.68
  5. Step 5: Solve for x
    x = 43,273,110.68/6,938.49
  6. Step 6: Final answer
    x = 6,236.68

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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.