Home / 5,181.28-7,150.10-2,823.41

Finding the Fourth Proportional to 5,181.28, 7,150.10 and 2,823.41

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Solution

The fourth proportional to 5,181.28, 7,150.10 and 2,823.41 is: 3,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.28 : 7,150.10 = 2,823.41 : x
  2. Step 2: Convert to fraction form
    5,181.28/7,150.10 = 2,823.41/x
  3. Step 3: Cross multiply
    5,181.28x = 7,150.10 × 2,823.41
  4. Step 4: Simplify right side
    5,181.28x = 20,187,667.60
  5. Step 5: Solve for x
    x = 20,187,667.60/5,181.28
  6. Step 6: Final answer
    x = 3,896.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.