Home / 8,069.20-12,103.80-3,896.52

Finding the Fourth Proportional to 8,069.20, 12,103.80 and 3,896.52

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Solution

The fourth proportional to 8,069.20, 12,103.80 and 3,896.52 is: 5,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069.20 : 12,103.80 = 3,896.52 : x
  2. Step 2: Convert to fraction form
    8,069.20/12,103.80 = 3,896.52/x
  3. Step 3: Cross multiply
    8,069.20x = 12,103.80 × 3,896.52
  4. Step 4: Simplify right side
    8,069.20x = 47,162,698.78
  5. Step 5: Solve for x
    x = 47,162,698.78/8,069.20
  6. Step 6: Final answer
    x = 5,844.78

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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.