Home / 9,154.22-13,731.19-2,914.61

Finding the Fourth Proportional to 9,154.22, 13,731.19 and 2,914.61

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Solution

The fourth proportional to 9,154.22, 13,731.19 and 2,914.61 is: 4,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.22 : 13,731.19 = 2,914.61 : x
  2. Step 2: Convert to fraction form
    9,154.22/13,731.19 = 2,914.61/x
  3. Step 3: Cross multiply
    9,154.22x = 13,731.19 × 2,914.61
  4. Step 4: Simplify right side
    9,154.22x = 40,021,063.69
  5. Step 5: Solve for x
    x = 40,021,063.69/9,154.22
  6. Step 6: Final answer
    x = 4,371.87

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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.