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Finding the Fourth Proportional to 5,243.93, 7,865.91 and 1,956.97

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Solution

The fourth proportional to 5,243.93, 7,865.91 and 1,956.97 is: 2,935.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.93 : 7,865.91 = 1,956.97 : x
  2. Step 2: Convert to fraction form
    5,243.93/7,865.91 = 1,956.97/x
  3. Step 3: Cross multiply
    5,243.93x = 7,865.91 × 1,956.97
  4. Step 4: Simplify right side
    5,243.93x = 15,393,370.79
  5. Step 5: Solve for x
    x = 15,393,370.79/5,243.93
  6. Step 6: Final answer
    x = 2,935.47

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Similar ratio
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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.