Home / 4,292.97-6,439.99-1,519.09

Finding the Fourth Proportional to 4,292.97, 6,439.99 and 1,519.09

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Solution

The fourth proportional to 4,292.97, 6,439.99 and 1,519.09 is: 2,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.97 : 6,439.99 = 1,519.09 : x
  2. Step 2: Convert to fraction form
    4,292.97/6,439.99 = 1,519.09/x
  3. Step 3: Cross multiply
    4,292.97x = 6,439.99 × 1,519.09
  4. Step 4: Simplify right side
    4,292.97x = 9,782,940.94
  5. Step 5: Solve for x
    x = 9,782,940.94/4,292.97
  6. Step 6: Final answer
    x = 2,278.83

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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.