Home / 7,974.51-11,958.30-2,426.56

Finding the Fourth Proportional to 7,974.51, 11,958.30 and 2,426.56

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Solution

The fourth proportional to 7,974.51, 11,958.30 and 2,426.56 is: 3,638.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.51 : 11,958.30 = 2,426.56 : x
  2. Step 2: Convert to fraction form
    7,974.51/11,958.30 = 2,426.56/x
  3. Step 3: Cross multiply
    7,974.51x = 11,958.30 × 2,426.56
  4. Step 4: Simplify right side
    7,974.51x = 29,017,532.45
  5. Step 5: Solve for x
    x = 29,017,532.45/7,974.51
  6. Step 6: Final answer
    x = 3,638.79

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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.