Home / 7,688.91-11,531.24-3,007.97

Finding the Fourth Proportional to 7,688.91, 11,531.24 and 3,007.97

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Solution

The fourth proportional to 7,688.91, 11,531.24 and 3,007.97 is: 4,511.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.91 : 11,531.24 = 3,007.97 : x
  2. Step 2: Convert to fraction form
    7,688.91/11,531.24 = 3,007.97/x
  3. Step 3: Cross multiply
    7,688.91x = 11,531.24 × 3,007.97
  4. Step 4: Simplify right side
    7,688.91x = 34,685,623.98
  5. Step 5: Solve for x
    x = 34,685,623.98/7,688.91
  6. Step 6: Final answer
    x = 4,511.12

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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.