Home / 8,120.93-12,183.22-2,573.85

Finding the Fourth Proportional to 8,120.93, 12,183.22 and 2,573.85

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Solution

The fourth proportional to 8,120.93, 12,183.22 and 2,573.85 is: 3,861.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.93 : 12,183.22 = 2,573.85 : x
  2. Step 2: Convert to fraction form
    8,120.93/12,183.22 = 2,573.85/x
  3. Step 3: Cross multiply
    8,120.93x = 12,183.22 × 2,573.85
  4. Step 4: Simplify right side
    8,120.93x = 31,357,780.80
  5. Step 5: Solve for x
    x = 31,357,780.80/8,120.93
  6. Step 6: Final answer
    x = 3,861.35

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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.