Home / 9,128.82-13,687.17-3,284.67

Finding the Fourth Proportional to 9,128.82, 13,687.17 and 3,284.67

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Solution

The fourth proportional to 9,128.82, 13,687.17 and 3,284.67 is: 4,924.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.82 : 13,687.17 = 3,284.67 : x
  2. Step 2: Convert to fraction form
    9,128.82/13,687.17 = 3,284.67/x
  3. Step 3: Cross multiply
    9,128.82x = 13,687.17 × 3,284.67
  4. Step 4: Simplify right side
    9,128.82x = 44,957,836.68
  5. Step 5: Solve for x
    x = 44,957,836.68/9,128.82
  6. Step 6: Final answer
    x = 4,924.82

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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.