Home / 7,759.65-11,632.26-2,828.17

Finding the Fourth Proportional to 7,759.65, 11,632.26 and 2,828.17

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Solution

The fourth proportional to 7,759.65, 11,632.26 and 2,828.17 is: 4,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.65 : 11,632.26 = 2,828.17 : x
  2. Step 2: Convert to fraction form
    7,759.65/11,632.26 = 2,828.17/x
  3. Step 3: Cross multiply
    7,759.65x = 11,632.26 × 2,828.17
  4. Step 4: Simplify right side
    7,759.65x = 32,897,952.57
  5. Step 5: Solve for x
    x = 32,897,952.57/7,759.65
  6. Step 6: Final answer
    x = 4,239.62

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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.