Home / 7,286.14-10,929.21-3,385.99

Finding the Fourth Proportional to 7,286.14, 10,929.21 and 3,385.99

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Solution

The fourth proportional to 7,286.14, 10,929.21 and 3,385.99 is: 5,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.14 : 10,929.21 = 3,385.99 : x
  2. Step 2: Convert to fraction form
    7,286.14/10,929.21 = 3,385.99/x
  3. Step 3: Cross multiply
    7,286.14x = 10,929.21 × 3,385.99
  4. Step 4: Simplify right side
    7,286.14x = 37,006,195.77
  5. Step 5: Solve for x
    x = 37,006,195.77/7,286.14
  6. Step 6: Final answer
    x = 5,078.99

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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.