Home / 10,580.96-15,871.41-3,185.42

Finding the Fourth Proportional to 10,580.96, 15,871.41 and 3,185.42

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Solution

The fourth proportional to 10,580.96, 15,871.41 and 3,185.42 is: 4,778.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,580.96 : 15,871.41 = 3,185.42 : x
  2. Step 2: Convert to fraction form
    10,580.96/15,871.41 = 3,185.42/x
  3. Step 3: Cross multiply
    10,580.96x = 15,871.41 × 3,185.42
  4. Step 4: Simplify right side
    10,580.96x = 50,557,027.49
  5. Step 5: Solve for x
    x = 50,557,027.49/10,580.96
  6. Step 6: Final answer
    x = 4,778.11

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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.