Home / 5,377.31-8,069.03-2,089.97

Finding the Fourth Proportional to 5,377.31, 8,069.03 and 2,089.97

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Solution

The fourth proportional to 5,377.31, 8,069.03 and 2,089.97 is: 3,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.31 : 8,069.03 = 2,089.97 : x
  2. Step 2: Convert to fraction form
    5,377.31/8,069.03 = 2,089.97/x
  3. Step 3: Cross multiply
    5,377.31x = 8,069.03 × 2,089.97
  4. Step 4: Simplify right side
    5,377.31x = 16,864,020.18
  5. Step 5: Solve for x
    x = 16,864,020.18/5,377.31
  6. Step 6: Final answer
    x = 3,136.15

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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.