Home / 7,338.11-11,007.71-3,636.61

Finding the Fourth Proportional to 7,338.11, 11,007.71 and 3,636.61

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Solution

The fourth proportional to 7,338.11, 11,007.71 and 3,636.61 is: 5,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.11 : 11,007.71 = 3,636.61 : x
  2. Step 2: Convert to fraction form
    7,338.11/11,007.71 = 3,636.61/x
  3. Step 3: Cross multiply
    7,338.11x = 11,007.71 × 3,636.61
  4. Step 4: Simplify right side
    7,338.11x = 40,030,729.84
  5. Step 5: Solve for x
    x = 40,030,729.84/7,338.11
  6. Step 6: Final answer
    x = 5,455.19

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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.