Home / 9,905.31-14,858.03-2,408.85

Finding the Fourth Proportional to 9,905.31, 14,858.03 and 2,408.85

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Solution

The fourth proportional to 9,905.31, 14,858.03 and 2,408.85 is: 3,613.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.31 : 14,858.03 = 2,408.85 : x
  2. Step 2: Convert to fraction form
    9,905.31/14,858.03 = 2,408.85/x
  3. Step 3: Cross multiply
    9,905.31x = 14,858.03 × 2,408.85
  4. Step 4: Simplify right side
    9,905.31x = 35,790,765.57
  5. Step 5: Solve for x
    x = 35,790,765.57/9,905.31
  6. Step 6: Final answer
    x = 3,613.29

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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.