Home / 8,121.05-12,182.01-2,573.97

Finding the Fourth Proportional to 8,121.05, 12,182.01 and 2,573.97

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Solution

The fourth proportional to 8,121.05, 12,182.01 and 2,573.97 is: 3,861.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121.05 : 12,182.01 = 2,573.97 : x
  2. Step 2: Convert to fraction form
    8,121.05/12,182.01 = 2,573.97/x
  3. Step 3: Cross multiply
    8,121.05x = 12,182.01 × 2,573.97
  4. Step 4: Simplify right side
    8,121.05x = 31,356,155.95
  5. Step 5: Solve for x
    x = 31,356,155.95/8,121.05
  6. Step 6: Final answer
    x = 3,861.09

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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.