Home / 5,082.80-7,625.57-2,120.26

Finding the Fourth Proportional to 5,082.80, 7,625.57 and 2,120.26

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Solution

The fourth proportional to 5,082.80, 7,625.57 and 2,120.26 is: 3,180.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.80 : 7,625.57 = 2,120.26 : x
  2. Step 2: Convert to fraction form
    5,082.80/7,625.57 = 2,120.26/x
  3. Step 3: Cross multiply
    5,082.80x = 7,625.57 × 2,120.26
  4. Step 4: Simplify right side
    5,082.80x = 16,168,161.38
  5. Step 5: Solve for x
    x = 16,168,161.38/5,082.80
  6. Step 6: Final answer
    x = 3,180.96

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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.