Home / 5,257.05-7,871.00-2,654.52

Finding the Fourth Proportional to 5,257.05, 7,871.00 and 2,654.52

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Solution

The fourth proportional to 5,257.05, 7,871.00 and 2,654.52 is: 3,974.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.05 : 7,871.00 = 2,654.52 : x
  2. Step 2: Convert to fraction form
    5,257.05/7,871.00 = 2,654.52/x
  3. Step 3: Cross multiply
    5,257.05x = 7,871.00 × 2,654.52
  4. Step 4: Simplify right side
    5,257.05x = 20,893,713.65
  5. Step 5: Solve for x
    x = 20,893,713.65/5,257.05
  6. Step 6: Final answer
    x = 3,974.42

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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.