Home / 9,161.92-13,737.48-3,610.72

Finding the Fourth Proportional to 9,161.92, 13,737.48 and 3,610.72

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Solution

The fourth proportional to 9,161.92, 13,737.48 and 3,610.72 is: 5,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.92 : 13,737.48 = 3,610.72 : x
  2. Step 2: Convert to fraction form
    9,161.92/13,737.48 = 3,610.72/x
  3. Step 3: Cross multiply
    9,161.92x = 13,737.48 × 3,610.72
  4. Step 4: Simplify right side
    9,161.92x = 49,602,193.79
  5. Step 5: Solve for x
    x = 49,602,193.79/9,161.92
  6. Step 6: Final answer
    x = 5,413.95

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1.5x scale

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.