Home / 7,338.33-11,007.63-1,791.72

Finding the Fourth Proportional to 7,338.33, 11,007.63 and 1,791.72

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Solution

The fourth proportional to 7,338.33, 11,007.63 and 1,791.72 is: 2,687.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.33 : 11,007.63 = 1,791.72 : x
  2. Step 2: Convert to fraction form
    7,338.33/11,007.63 = 1,791.72/x
  3. Step 3: Cross multiply
    7,338.33x = 11,007.63 × 1,791.72
  4. Step 4: Simplify right side
    7,338.33x = 19,722,590.82
  5. Step 5: Solve for x
    x = 19,722,590.82/7,338.33
  6. Step 6: Final answer
    x = 2,687.61

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1.5x scale

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.