Home / 7,936.08-11,905.79-2,389.83

Finding the Fourth Proportional to 7,936.08, 11,905.79 and 2,389.83

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Solution

The fourth proportional to 7,936.08, 11,905.79 and 2,389.83 is: 3,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.08 : 11,905.79 = 2,389.83 : x
  2. Step 2: Convert to fraction form
    7,936.08/11,905.79 = 2,389.83/x
  3. Step 3: Cross multiply
    7,936.08x = 11,905.79 × 2,389.83
  4. Step 4: Simplify right side
    7,936.08x = 28,452,814.12
  5. Step 5: Solve for x
    x = 28,452,814.12/7,936.08
  6. Step 6: Final answer
    x = 3,585.25

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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.