Home / 10,408.13-15,610.05-3,386.33

Finding the Fourth Proportional to 10,408.13, 15,610.05 and 3,386.33

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Solution

The fourth proportional to 10,408.13, 15,610.05 and 3,386.33 is: 5,078.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.13 : 15,610.05 = 3,386.33 : x
  2. Step 2: Convert to fraction form
    10,408.13/15,610.05 = 3,386.33/x
  3. Step 3: Cross multiply
    10,408.13x = 15,610.05 × 3,386.33
  4. Step 4: Simplify right side
    10,408.13x = 52,860,702.57
  5. Step 5: Solve for x
    x = 52,860,702.57/10,408.13
  6. Step 6: Final answer
    x = 5,078.79

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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.