Home / 5,388.87-8,083.31-2,458.47

Finding the Fourth Proportional to 5,388.87, 8,083.31 and 2,458.47

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Solution

The fourth proportional to 5,388.87, 8,083.31 and 2,458.47 is: 3,687.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.87 : 8,083.31 = 2,458.47 : x
  2. Step 2: Convert to fraction form
    5,388.87/8,083.31 = 2,458.47/x
  3. Step 3: Cross multiply
    5,388.87x = 8,083.31 × 2,458.47
  4. Step 4: Simplify right side
    5,388.87x = 19,872,562.84
  5. Step 5: Solve for x
    x = 19,872,562.84/5,388.87
  6. Step 6: Final answer
    x = 3,687.71

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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.