Home / 9,239.80-13,859.81-2,666.04

Finding the Fourth Proportional to 9,239.80, 13,859.81 and 2,666.04

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Solution

The fourth proportional to 9,239.80, 13,859.81 and 2,666.04 is: 3,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.80 : 13,859.81 = 2,666.04 : x
  2. Step 2: Convert to fraction form
    9,239.80/13,859.81 = 2,666.04/x
  3. Step 3: Cross multiply
    9,239.80x = 13,859.81 × 2,666.04
  4. Step 4: Simplify right side
    9,239.80x = 36,950,791.53
  5. Step 5: Solve for x
    x = 36,950,791.53/9,239.80
  6. Step 6: Final answer
    x = 3,999.09

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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.