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Finding the Fourth Proportional to 11,584.51, 17,380.01 and 3,798.79

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Solution

The fourth proportional to 11,584.51, 17,380.01 and 3,798.79 is: 5,699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,584.51 : 17,380.01 = 3,798.79 : x
  2. Step 2: Convert to fraction form
    11,584.51/17,380.01 = 3,798.79/x
  3. Step 3: Cross multiply
    11,584.51x = 17,380.01 × 3,798.79
  4. Step 4: Simplify right side
    11,584.51x = 66,023,008.19
  5. Step 5: Solve for x
    x = 66,023,008.19/11,584.51
  6. Step 6: Final answer
    x = 5,699.25

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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.