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Finding the Fourth Proportional to 11,779.01, 17,671.25 and 3,881.25

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Solution

The fourth proportional to 11,779.01, 17,671.25 and 3,881.25 is: 5,822.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.01 : 17,671.25 = 3,881.25 : x
  2. Step 2: Convert to fraction form
    11,779.01/17,671.25 = 3,881.25/x
  3. Step 3: Cross multiply
    11,779.01x = 17,671.25 × 3,881.25
  4. Step 4: Simplify right side
    11,779.01x = 68,586,548.77
  5. Step 5: Solve for x
    x = 68,586,548.77/11,779.01
  6. Step 6: Final answer
    x = 5,822.78

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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.