Home / 7,823.45-11,733.93-2,891.97

Finding the Fourth Proportional to 7,823.45, 11,733.93 and 2,891.97

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Solution

The fourth proportional to 7,823.45, 11,733.93 and 2,891.97 is: 4,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.45 : 11,733.93 = 2,891.97 : x
  2. Step 2: Convert to fraction form
    7,823.45/11,733.93 = 2,891.97/x
  3. Step 3: Cross multiply
    7,823.45x = 11,733.93 × 2,891.97
  4. Step 4: Simplify right side
    7,823.45x = 33,934,173.54
  5. Step 5: Solve for x
    x = 33,934,173.54/7,823.45
  6. Step 6: Final answer
    x = 4,337.49

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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.