Home / 5,388.31-8,083.28-1,924.75

Finding the Fourth Proportional to 5,388.31, 8,083.28 and 1,924.75

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Solution

The fourth proportional to 5,388.31, 8,083.28 and 1,924.75 is: 2,887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.31 : 8,083.28 = 1,924.75 : x
  2. Step 2: Convert to fraction form
    5,388.31/8,083.28 = 1,924.75/x
  3. Step 3: Cross multiply
    5,388.31x = 8,083.28 × 1,924.75
  4. Step 4: Simplify right side
    5,388.31x = 15,558,293.18
  5. Step 5: Solve for x
    x = 15,558,293.18/5,388.31
  6. Step 6: Final answer
    x = 2,887.42

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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.