Home / 4,786.17-7,173.79-2,938.61

Finding the Fourth Proportional to 4,786.17, 7,173.79 and 2,938.61

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Solution

The fourth proportional to 4,786.17, 7,173.79 and 2,938.61 is: 4,404.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.17 : 7,173.79 = 2,938.61 : x
  2. Step 2: Convert to fraction form
    4,786.17/7,173.79 = 2,938.61/x
  3. Step 3: Cross multiply
    4,786.17x = 7,173.79 × 2,938.61
  4. Step 4: Simplify right side
    4,786.17x = 21,080,956.34
  5. Step 5: Solve for x
    x = 21,080,956.34/4,786.17
  6. Step 6: Final answer
    x = 4,404.56

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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.