Home / 5,639.87-8,453.73-2,350.87

Finding the Fourth Proportional to 5,639.87, 8,453.73 and 2,350.87

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Solution

The fourth proportional to 5,639.87, 8,453.73 and 2,350.87 is: 3,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.87 : 8,453.73 = 2,350.87 : x
  2. Step 2: Convert to fraction form
    5,639.87/8,453.73 = 2,350.87/x
  3. Step 3: Cross multiply
    5,639.87x = 8,453.73 × 2,350.87
  4. Step 4: Simplify right side
    5,639.87x = 19,873,620.25
  5. Step 5: Solve for x
    x = 19,873,620.25/5,639.87
  6. Step 6: Final answer
    x = 3,523.77

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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.