Home / 9,144.62-13,717.40-2,905.12

Finding the Fourth Proportional to 9,144.62, 13,717.40 and 2,905.12

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Solution

The fourth proportional to 9,144.62, 13,717.40 and 2,905.12 is: 4,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144.62 : 13,717.40 = 2,905.12 : x
  2. Step 2: Convert to fraction form
    9,144.62/13,717.40 = 2,905.12/x
  3. Step 3: Cross multiply
    9,144.62x = 13,717.40 × 2,905.12
  4. Step 4: Simplify right side
    9,144.62x = 39,850,609.98
  5. Step 5: Solve for x
    x = 39,850,609.98/9,144.62
  6. Step 6: Final answer
    x = 4,357.82

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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.