Home / 7,286.22-10,929.33-3,388.50

Finding the Fourth Proportional to 7,286.22, 10,929.33 and 3,388.50

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Solution

The fourth proportional to 7,286.22, 10,929.33 and 3,388.50 is: 5,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.22 : 10,929.33 = 3,388.50 : x
  2. Step 2: Convert to fraction form
    7,286.22/10,929.33 = 3,388.50/x
  3. Step 3: Cross multiply
    7,286.22x = 10,929.33 × 3,388.50
  4. Step 4: Simplify right side
    7,286.22x = 37,034,034.71
  5. Step 5: Solve for x
    x = 37,034,034.71/7,286.22
  6. Step 6: Final answer
    x = 5,082.75

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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.