Home / 7,975.74-11,964.20-2,429.56

Finding the Fourth Proportional to 7,975.74, 11,964.20 and 2,429.56

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Solution

The fourth proportional to 7,975.74, 11,964.20 and 2,429.56 is: 3,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.74 : 11,964.20 = 2,429.56 : x
  2. Step 2: Convert to fraction form
    7,975.74/11,964.20 = 2,429.56/x
  3. Step 3: Cross multiply
    7,975.74x = 11,964.20 × 2,429.56
  4. Step 4: Simplify right side
    7,975.74x = 29,067,741.75
  5. Step 5: Solve for x
    x = 29,067,741.75/7,975.74
  6. Step 6: Final answer
    x = 3,644.52

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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.