Home / 7,737.82-11,606.76-1,894.43

Finding the Fourth Proportional to 7,737.82, 11,606.76 and 1,894.43

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Solution

The fourth proportional to 7,737.82, 11,606.76 and 1,894.43 is: 2,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737.82 : 11,606.76 = 1,894.43 : x
  2. Step 2: Convert to fraction form
    7,737.82/11,606.76 = 1,894.43/x
  3. Step 3: Cross multiply
    7,737.82x = 11,606.76 × 1,894.43
  4. Step 4: Simplify right side
    7,737.82x = 21,988,194.35
  5. Step 5: Solve for x
    x = 21,988,194.35/7,737.82
  6. Step 6: Final answer
    x = 2,841.65

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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.