Home / 7,190.98-10,786.45-3,237.61

Finding the Fourth Proportional to 7,190.98, 10,786.45 and 3,237.61

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Solution

The fourth proportional to 7,190.98, 10,786.45 and 3,237.61 is: 4,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.98 : 10,786.45 = 3,237.61 : x
  2. Step 2: Convert to fraction form
    7,190.98/10,786.45 = 3,237.61/x
  3. Step 3: Cross multiply
    7,190.98x = 10,786.45 × 3,237.61
  4. Step 4: Simplify right side
    7,190.98x = 34,922,318.38
  5. Step 5: Solve for x
    x = 34,922,318.38/7,190.98
  6. Step 6: Final answer
    x = 4,856.41

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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.