Home / 5,413.31-8,119.05-1,516.82

Finding the Fourth Proportional to 5,413.31, 8,119.05 and 1,516.82

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Solution

The fourth proportional to 5,413.31, 8,119.05 and 1,516.82 is: 2,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.31 : 8,119.05 = 1,516.82 : x
  2. Step 2: Convert to fraction form
    5,413.31/8,119.05 = 1,516.82/x
  3. Step 3: Cross multiply
    5,413.31x = 8,119.05 × 1,516.82
  4. Step 4: Simplify right side
    5,413.31x = 12,315,137.42
  5. Step 5: Solve for x
    x = 12,315,137.42/5,413.31
  6. Step 6: Final answer
    x = 2,274.97

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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.