Home / 7,721.26-11,582.08-2,456.17

Finding the Fourth Proportional to 7,721.26, 11,582.08 and 2,456.17

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Solution

The fourth proportional to 7,721.26, 11,582.08 and 2,456.17 is: 3,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.26 : 11,582.08 = 2,456.17 : x
  2. Step 2: Convert to fraction form
    7,721.26/11,582.08 = 2,456.17/x
  3. Step 3: Cross multiply
    7,721.26x = 11,582.08 × 2,456.17
  4. Step 4: Simplify right side
    7,721.26x = 28,447,557.43
  5. Step 5: Solve for x
    x = 28,447,557.43/7,721.26
  6. Step 6: Final answer
    x = 3,684.32

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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.