Home / 7,664.68-11,497.83-3,280.96

Finding the Fourth Proportional to 7,664.68, 11,497.83 and 3,280.96

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Solution

The fourth proportional to 7,664.68, 11,497.83 and 3,280.96 is: 4,921.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.68 : 11,497.83 = 3,280.96 : x
  2. Step 2: Convert to fraction form
    7,664.68/11,497.83 = 3,280.96/x
  3. Step 3: Cross multiply
    7,664.68x = 11,497.83 × 3,280.96
  4. Step 4: Simplify right side
    7,664.68x = 37,723,920.32
  5. Step 5: Solve for x
    x = 37,723,920.32/7,664.68
  6. Step 6: Final answer
    x = 4,921.79

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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.