Home / 9,291.24-13,936.80-2,717.92

Finding the Fourth Proportional to 9,291.24, 13,936.80 and 2,717.92

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Solution

The fourth proportional to 9,291.24, 13,936.80 and 2,717.92 is: 4,076.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.24 : 13,936.80 = 2,717.92 : x
  2. Step 2: Convert to fraction form
    9,291.24/13,936.80 = 2,717.92/x
  3. Step 3: Cross multiply
    9,291.24x = 13,936.80 × 2,717.92
  4. Step 4: Simplify right side
    9,291.24x = 37,879,107.46
  5. Step 5: Solve for x
    x = 37,879,107.46/9,291.24
  6. Step 6: Final answer
    x = 4,076.86

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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.