Home / 9,180.75-13,761.63-3,631.83

Finding the Fourth Proportional to 9,180.75, 13,761.63 and 3,631.83

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Solution

The fourth proportional to 9,180.75, 13,761.63 and 3,631.83 is: 5,443.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.75 : 13,761.63 = 3,631.83 : x
  2. Step 2: Convert to fraction form
    9,180.75/13,761.63 = 3,631.83/x
  3. Step 3: Cross multiply
    9,180.75x = 13,761.63 × 3,631.83
  4. Step 4: Simplify right side
    9,180.75x = 49,979,900.68
  5. Step 5: Solve for x
    x = 49,979,900.68/9,180.75
  6. Step 6: Final answer
    x = 5,443.99

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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.