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Finding the Fourth Proportional to 5,083.57, 7,630.17 and 2,620.09

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Solution

The fourth proportional to 5,083.57, 7,630.17 and 2,620.09 is: 3,932.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.57 : 7,630.17 = 2,620.09 : x
  2. Step 2: Convert to fraction form
    5,083.57/7,630.17 = 2,620.09/x
  3. Step 3: Cross multiply
    5,083.57x = 7,630.17 × 2,620.09
  4. Step 4: Simplify right side
    5,083.57x = 19,991,732.12
  5. Step 5: Solve for x
    x = 19,991,732.12/5,083.57
  6. Step 6: Final answer
    x = 3,932.62

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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.