Home / 7,745.60-11,610.28-3,791.41

Finding the Fourth Proportional to 7,745.60, 11,610.28 and 3,791.41

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Solution

The fourth proportional to 7,745.60, 11,610.28 and 3,791.41 is: 5,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.60 : 11,610.28 = 3,791.41 : x
  2. Step 2: Convert to fraction form
    7,745.60/11,610.28 = 3,791.41/x
  3. Step 3: Cross multiply
    7,745.60x = 11,610.28 × 3,791.41
  4. Step 4: Simplify right side
    7,745.60x = 44,019,254.69
  5. Step 5: Solve for x
    x = 44,019,254.69/7,745.60
  6. Step 6: Final answer
    x = 5,683.13

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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.