Home / 7,323.05-10,979.36-3,425.33

Finding the Fourth Proportional to 7,323.05, 10,979.36 and 3,425.33

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Solution

The fourth proportional to 7,323.05, 10,979.36 and 3,425.33 is: 5,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.05 : 10,979.36 = 3,425.33 : x
  2. Step 2: Convert to fraction form
    7,323.05/10,979.36 = 3,425.33/x
  3. Step 3: Cross multiply
    7,323.05x = 10,979.36 × 3,425.33
  4. Step 4: Simplify right side
    7,323.05x = 37,607,954.36
  5. Step 5: Solve for x
    x = 37,607,954.36/7,323.05
  6. Step 6: Final answer
    x = 5,135.56

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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.