Home / 7,974.64-11,964.53-2,429.06

Finding the Fourth Proportional to 7,974.64, 11,964.53 and 2,429.06

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Solution

The fourth proportional to 7,974.64, 11,964.53 and 2,429.06 is: 3,644.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.64 : 11,964.53 = 2,429.06 : x
  2. Step 2: Convert to fraction form
    7,974.64/11,964.53 = 2,429.06/x
  3. Step 3: Cross multiply
    7,974.64x = 11,964.53 × 2,429.06
  4. Step 4: Simplify right side
    7,974.64x = 29,062,561.24
  5. Step 5: Solve for x
    x = 29,062,561.24/7,974.64
  6. Step 6: Final answer
    x = 3,644.37

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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.