Home / 5,639.52-8,455.96-2,634.24

Finding the Fourth Proportional to 5,639.52, 8,455.96 and 2,634.24

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Solution

The fourth proportional to 5,639.52, 8,455.96 and 2,634.24 is: 3,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.52 : 8,455.96 = 2,634.24 : x
  2. Step 2: Convert to fraction form
    5,639.52/8,455.96 = 2,634.24/x
  3. Step 3: Cross multiply
    5,639.52x = 8,455.96 × 2,634.24
  4. Step 4: Simplify right side
    5,639.52x = 22,275,028.07
  5. Step 5: Solve for x
    x = 22,275,028.07/5,639.52
  6. Step 6: Final answer
    x = 3,949.81

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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.