Home / 8,589.42-12,884.58-2,745.59

Finding the Fourth Proportional to 8,589.42, 12,884.58 and 2,745.59

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Solution

The fourth proportional to 8,589.42, 12,884.58 and 2,745.59 is: 4,118.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.42 : 12,884.58 = 2,745.59 : x
  2. Step 2: Convert to fraction form
    8,589.42/12,884.58 = 2,745.59/x
  3. Step 3: Cross multiply
    8,589.42x = 12,884.58 × 2,745.59
  4. Step 4: Simplify right side
    8,589.42x = 35,375,709.58
  5. Step 5: Solve for x
    x = 35,375,709.58/8,589.42
  6. Step 6: Final answer
    x = 4,118.52

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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.