Home / 8,881.72-13,330.26-3,413.56

Finding the Fourth Proportional to 8,881.72, 13,330.26 and 3,413.56

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Solution

The fourth proportional to 8,881.72, 13,330.26 and 3,413.56 is: 5,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.72 : 13,330.26 = 3,413.56 : x
  2. Step 2: Convert to fraction form
    8,881.72/13,330.26 = 3,413.56/x
  3. Step 3: Cross multiply
    8,881.72x = 13,330.26 × 3,413.56
  4. Step 4: Simplify right side
    8,881.72x = 45,503,642.33
  5. Step 5: Solve for x
    x = 45,503,642.33/8,881.72
  6. Step 6: Final answer
    x = 5,123.29

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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.