Home / 7,825.26-11,708.45-5,489.82

Finding the Fourth Proportional to 7,825.26, 11,708.45 and 5,489.82

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Solution

The fourth proportional to 7,825.26, 11,708.45 and 5,489.82 is: 8,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.26 : 11,708.45 = 5,489.82 : x
  2. Step 2: Convert to fraction form
    7,825.26/11,708.45 = 5,489.82/x
  3. Step 3: Cross multiply
    7,825.26x = 11,708.45 × 5,489.82
  4. Step 4: Simplify right side
    7,825.26x = 64,277,243.19
  5. Step 5: Solve for x
    x = 64,277,243.19/7,825.26
  6. Step 6: Final answer
    x = 8,214.07

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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.