Home / 8,759.04-13,138.97-3,209.73

Finding the Fourth Proportional to 8,759.04, 13,138.97 and 3,209.73

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Solution

The fourth proportional to 8,759.04, 13,138.97 and 3,209.73 is: 4,814.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.04 : 13,138.97 = 3,209.73 : x
  2. Step 2: Convert to fraction form
    8,759.04/13,138.97 = 3,209.73/x
  3. Step 3: Cross multiply
    8,759.04x = 13,138.97 × 3,209.73
  4. Step 4: Simplify right side
    8,759.04x = 42,172,530.13
  5. Step 5: Solve for x
    x = 42,172,530.13/8,759.04
  6. Step 6: Final answer
    x = 4,814.74

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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.