Home / 8,591.08-12,887.34-2,747.56

Finding the Fourth Proportional to 8,591.08, 12,887.34 and 2,747.56

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Solution

The fourth proportional to 8,591.08, 12,887.34 and 2,747.56 is: 4,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.08 : 12,887.34 = 2,747.56 : x
  2. Step 2: Convert to fraction form
    8,591.08/12,887.34 = 2,747.56/x
  3. Step 3: Cross multiply
    8,591.08x = 12,887.34 × 2,747.56
  4. Step 4: Simplify right side
    8,591.08x = 35,408,739.89
  5. Step 5: Solve for x
    x = 35,408,739.89/8,591.08
  6. Step 6: Final answer
    x = 4,121.57

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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.