Home / 5,102.73-7,654.09-1,815.96

Finding the Fourth Proportional to 5,102.73, 7,654.09 and 1,815.96

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Solution

The fourth proportional to 5,102.73, 7,654.09 and 1,815.96 is: 2,723.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.73 : 7,654.09 = 1,815.96 : x
  2. Step 2: Convert to fraction form
    5,102.73/7,654.09 = 1,815.96/x
  3. Step 3: Cross multiply
    5,102.73x = 7,654.09 × 1,815.96
  4. Step 4: Simplify right side
    5,102.73x = 13,899,521.28
  5. Step 5: Solve for x
    x = 13,899,521.28/5,102.73
  6. Step 6: Final answer
    x = 2,723.94

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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.