Home / 9,158.21-13,738.86-3,608.63

Finding the Fourth Proportional to 9,158.21, 13,738.86 and 3,608.63

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Solution

The fourth proportional to 9,158.21, 13,738.86 and 3,608.63 is: 5,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.21 : 13,738.86 = 3,608.63 : x
  2. Step 2: Convert to fraction form
    9,158.21/13,738.86 = 3,608.63/x
  3. Step 3: Cross multiply
    9,158.21x = 13,738.86 × 3,608.63
  4. Step 4: Simplify right side
    9,158.21x = 49,578,393.67
  5. Step 5: Solve for x
    x = 49,578,393.67/9,158.21
  6. Step 6: Final answer
    x = 5,413.55

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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.