Home / 7,322.70-10,105.33-3,965.52

Finding the Fourth Proportional to 7,322.70, 10,105.33 and 3,965.52

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Solution

The fourth proportional to 7,322.70, 10,105.33 and 3,965.52 is: 5,472.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.70 : 10,105.33 = 3,965.52 : x
  2. Step 2: Convert to fraction form
    7,322.70/10,105.33 = 3,965.52/x
  3. Step 3: Cross multiply
    7,322.70x = 10,105.33 × 3,965.52
  4. Step 4: Simplify right side
    7,322.70x = 40,072,860.19
  5. Step 5: Solve for x
    x = 40,072,860.19/7,322.70
  6. Step 6: Final answer
    x = 5,472.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.