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Finding the Fourth Proportional to 6,100.43, 9,151.50 and 1,940

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Solution

The fourth proportional to 6,100.43, 9,151.50 and 1,940 is: 2,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,100.43 : 9,151.50 = 1,940 : x
  2. Step 2: Convert to fraction form
    6,100.43/9,151.50 = 1,940/x
  3. Step 3: Cross multiply
    6,100.43x = 9,151.50 × 1,940
  4. Step 4: Simplify right side
    6,100.43x = 17,753,910
  5. Step 5: Solve for x
    x = 17,753,910/6,100.43
  6. Step 6: Final answer
    x = 2,910.27

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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.