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Finding the Fourth Proportional to 7,337.74, 11,006.49 and 1,791.09

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Solution

The fourth proportional to 7,337.74, 11,006.49 and 1,791.09 is: 2,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.74 : 11,006.49 = 1,791.09 : x
  2. Step 2: Convert to fraction form
    7,337.74/11,006.49 = 1,791.09/x
  3. Step 3: Cross multiply
    7,337.74x = 11,006.49 × 1,791.09
  4. Step 4: Simplify right side
    7,337.74x = 19,713,614.17
  5. Step 5: Solve for x
    x = 19,713,614.17/7,337.74
  6. Step 6: Final answer
    x = 2,686.61

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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.