Home / 7,634.88-11,451.60-2,439.36

Finding the Fourth Proportional to 7,634.88, 11,451.60 and 2,439.36

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Solution

The fourth proportional to 7,634.88, 11,451.60 and 2,439.36 is: 3,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634.88 : 11,451.60 = 2,439.36 : x
  2. Step 2: Convert to fraction form
    7,634.88/11,451.60 = 2,439.36/x
  3. Step 3: Cross multiply
    7,634.88x = 11,451.60 × 2,439.36
  4. Step 4: Simplify right side
    7,634.88x = 27,934,574.98
  5. Step 5: Solve for x
    x = 27,934,574.98/7,634.88
  6. Step 6: Final answer
    x = 3,658.81

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1.5x scale

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.