Home / 5,674.15-8,511.36-2,163.70

Finding the Fourth Proportional to 5,674.15, 8,511.36 and 2,163.70

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Solution

The fourth proportional to 5,674.15, 8,511.36 and 2,163.70 is: 3,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.15 : 8,511.36 = 2,163.70 : x
  2. Step 2: Convert to fraction form
    5,674.15/8,511.36 = 2,163.70/x
  3. Step 3: Cross multiply
    5,674.15x = 8,511.36 × 2,163.70
  4. Step 4: Simplify right side
    5,674.15x = 18,416,029.63
  5. Step 5: Solve for x
    x = 18,416,029.63/5,674.15
  6. Step 6: Final answer
    x = 3,245.60

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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.