Home / 5,057-7,581.66-2,745.32

Finding the Fourth Proportional to 5,057, 7,581.66 and 2,745.32

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Solution

The fourth proportional to 5,057, 7,581.66 and 2,745.32 is: 4,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057 : 7,581.66 = 2,745.32 : x
  2. Step 2: Convert to fraction form
    5,057/7,581.66 = 2,745.32/x
  3. Step 3: Cross multiply
    5,057x = 7,581.66 × 2,745.32
  4. Step 4: Simplify right side
    5,057x = 20,814,082.83
  5. Step 5: Solve for x
    x = 20,814,082.83/5,057
  6. Step 6: Final answer
    x = 4,115.90

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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.