Home / 5,129.07-7,687.41-2,351.94

Finding the Fourth Proportional to 5,129.07, 7,687.41 and 2,351.94

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Solution

The fourth proportional to 5,129.07, 7,687.41 and 2,351.94 is: 3,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.07 : 7,687.41 = 2,351.94 : x
  2. Step 2: Convert to fraction form
    5,129.07/7,687.41 = 2,351.94/x
  3. Step 3: Cross multiply
    5,129.07x = 7,687.41 × 2,351.94
  4. Step 4: Simplify right side
    5,129.07x = 18,080,289.43
  5. Step 5: Solve for x
    x = 18,080,289.43/5,129.07
  6. Step 6: Final answer
    x = 3,525.06

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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.