Home / 7,926.57-11,890.37-2,661.37

Finding the Fourth Proportional to 7,926.57, 11,890.37 and 2,661.37

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Solution

The fourth proportional to 7,926.57, 11,890.37 and 2,661.37 is: 3,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.57 : 11,890.37 = 2,661.37 : x
  2. Step 2: Convert to fraction form
    7,926.57/11,890.37 = 2,661.37/x
  3. Step 3: Cross multiply
    7,926.57x = 11,890.37 × 2,661.37
  4. Step 4: Simplify right side
    7,926.57x = 31,644,617.77
  5. Step 5: Solve for x
    x = 31,644,617.77/7,926.57
  6. Step 6: Final answer
    x = 3,992.22

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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.