Home / 8,082.60-12,121.42-2,237.80

Finding the Fourth Proportional to 8,082.60, 12,121.42 and 2,237.80

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Solution

The fourth proportional to 8,082.60, 12,121.42 and 2,237.80 is: 3,356.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.60 : 12,121.42 = 2,237.80 : x
  2. Step 2: Convert to fraction form
    8,082.60/12,121.42 = 2,237.80/x
  3. Step 3: Cross multiply
    8,082.60x = 12,121.42 × 2,237.80
  4. Step 4: Simplify right side
    8,082.60x = 27,125,313.68
  5. Step 5: Solve for x
    x = 27,125,313.68/8,082.60
  6. Step 6: Final answer
    x = 3,356.01

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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.