Home / 3,865.98-5,331.11-3,308.29

Finding the Fourth Proportional to 3,865.98, 5,331.11 and 3,308.29

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Solution

The fourth proportional to 3,865.98, 5,331.11 and 3,308.29 is: 4,562.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.98 : 5,331.11 = 3,308.29 : x
  2. Step 2: Convert to fraction form
    3,865.98/5,331.11 = 3,308.29/x
  3. Step 3: Cross multiply
    3,865.98x = 5,331.11 × 3,308.29
  4. Step 4: Simplify right side
    3,865.98x = 17,636,857.90
  5. Step 5: Solve for x
    x = 17,636,857.90/3,865.98
  6. Step 6: Final answer
    x = 4,562.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.