Home / 5,306.77-7,960.38-1,608.90

Finding the Fourth Proportional to 5,306.77, 7,960.38 and 1,608.90

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Solution

The fourth proportional to 5,306.77, 7,960.38 and 1,608.90 is: 2,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.77 : 7,960.38 = 1,608.90 : x
  2. Step 2: Convert to fraction form
    5,306.77/7,960.38 = 1,608.90/x
  3. Step 3: Cross multiply
    5,306.77x = 7,960.38 × 1,608.90
  4. Step 4: Simplify right side
    5,306.77x = 12,807,415.58
  5. Step 5: Solve for x
    x = 12,807,415.58/5,306.77
  6. Step 6: Final answer
    x = 2,413.41

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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.