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Finding the Fourth Proportional to 9,102.99, 13,659.79 and 3,837.68

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Solution

The fourth proportional to 9,102.99, 13,659.79 and 3,837.68 is: 5,758.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.99 : 13,659.79 = 3,837.68 : x
  2. Step 2: Convert to fraction form
    9,102.99/13,659.79 = 3,837.68/x
  3. Step 3: Cross multiply
    9,102.99x = 13,659.79 × 3,837.68
  4. Step 4: Simplify right side
    9,102.99x = 52,421,834.59
  5. Step 5: Solve for x
    x = 52,421,834.59/9,102.99
  6. Step 6: Final answer
    x = 5,758.75

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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.