Home / 5,486.84-8,231.50-3,020.38

Finding the Fourth Proportional to 5,486.84, 8,231.50 and 3,020.38

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Solution

The fourth proportional to 5,486.84, 8,231.50 and 3,020.38 is: 4,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.84 : 8,231.50 = 3,020.38 : x
  2. Step 2: Convert to fraction form
    5,486.84/8,231.50 = 3,020.38/x
  3. Step 3: Cross multiply
    5,486.84x = 8,231.50 × 3,020.38
  4. Step 4: Simplify right side
    5,486.84x = 24,862,257.97
  5. Step 5: Solve for x
    x = 24,862,257.97/5,486.84
  6. Step 6: Final answer
    x = 4,531.25

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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.