Home / 8,140.91-12,211.83-2,297.96

Finding the Fourth Proportional to 8,140.91, 12,211.83 and 2,297.96

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Solution

The fourth proportional to 8,140.91, 12,211.83 and 2,297.96 is: 3,447.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.91 : 12,211.83 = 2,297.96 : x
  2. Step 2: Convert to fraction form
    8,140.91/12,211.83 = 2,297.96/x
  3. Step 3: Cross multiply
    8,140.91x = 12,211.83 × 2,297.96
  4. Step 4: Simplify right side
    8,140.91x = 28,062,296.87
  5. Step 5: Solve for x
    x = 28,062,296.87/8,140.91
  6. Step 6: Final answer
    x = 3,447.07

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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.