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Finding the Fourth Proportional to 5,908.24, 8,156.76 and 3,921.49

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Solution

The fourth proportional to 5,908.24, 8,156.76 and 3,921.49 is: 5,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.24 : 8,156.76 = 3,921.49 : x
  2. Step 2: Convert to fraction form
    5,908.24/8,156.76 = 3,921.49/x
  3. Step 3: Cross multiply
    5,908.24x = 8,156.76 × 3,921.49
  4. Step 4: Simplify right side
    5,908.24x = 31,986,652.77
  5. Step 5: Solve for x
    x = 31,986,652.77/5,908.24
  6. Step 6: Final answer
    x = 5,413.91

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