Home / 7,633.80-11,451.60-2,439

Finding the Fourth Proportional to 7,633.80, 11,451.60 and 2,439

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Solution

The fourth proportional to 7,633.80, 11,451.60 and 2,439 is: 3,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633.80 : 11,451.60 = 2,439 : x
  2. Step 2: Convert to fraction form
    7,633.80/11,451.60 = 2,439/x
  3. Step 3: Cross multiply
    7,633.80x = 11,451.60 × 2,439
  4. Step 4: Simplify right side
    7,633.80x = 27,930,452.40
  5. Step 5: Solve for x
    x = 27,930,452.40/7,633.80
  6. Step 6: Final answer
    x = 3,658.79

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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.