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Finding the Fourth Proportional to 7,683.73, 10,604.05 and 5,791.97

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Solution

The fourth proportional to 7,683.73, 10,604.05 and 5,791.97 is: 7,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.73 : 10,604.05 = 5,791.97 : x
  2. Step 2: Convert to fraction form
    7,683.73/10,604.05 = 5,791.97/x
  3. Step 3: Cross multiply
    7,683.73x = 10,604.05 × 5,791.97
  4. Step 4: Simplify right side
    7,683.73x = 61,418,351.51
  5. Step 5: Solve for x
    x = 61,418,351.51/7,683.73
  6. Step 6: Final answer
    x = 7,993.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.