Home / 7,273.20-10,916.32-3,812.88

Finding the Fourth Proportional to 7,273.20, 10,916.32 and 3,812.88

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Solution

The fourth proportional to 7,273.20, 10,916.32 and 3,812.88 is: 5,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.20 : 10,916.32 = 3,812.88 : x
  2. Step 2: Convert to fraction form
    7,273.20/10,916.32 = 3,812.88/x
  3. Step 3: Cross multiply
    7,273.20x = 10,916.32 × 3,812.88
  4. Step 4: Simplify right side
    7,273.20x = 41,622,618.20
  5. Step 5: Solve for x
    x = 41,622,618.20/7,273.20
  6. Step 6: Final answer
    x = 5,722.74

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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.