Home / 5,372.05-7,413.31-2,981.88

Finding the Fourth Proportional to 5,372.05, 7,413.31 and 2,981.88

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Solution

The fourth proportional to 5,372.05, 7,413.31 and 2,981.88 is: 4,114.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.05 : 7,413.31 = 2,981.88 : x
  2. Step 2: Convert to fraction form
    5,372.05/7,413.31 = 2,981.88/x
  3. Step 3: Cross multiply
    5,372.05x = 7,413.31 × 2,981.88
  4. Step 4: Simplify right side
    5,372.05x = 22,105,600.82
  5. Step 5: Solve for x
    x = 22,105,600.82/5,372.05
  6. Step 6: Final answer
    x = 4,114.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.