Home / 5,171.15-7,136.19-2,933.04

Finding the Fourth Proportional to 5,171.15, 7,136.19 and 2,933.04

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Solution

The fourth proportional to 5,171.15, 7,136.19 and 2,933.04 is: 4,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.15 : 7,136.19 = 2,933.04 : x
  2. Step 2: Convert to fraction form
    5,171.15/7,136.19 = 2,933.04/x
  3. Step 3: Cross multiply
    5,171.15x = 7,136.19 × 2,933.04
  4. Step 4: Simplify right side
    5,171.15x = 20,930,730.72
  5. Step 5: Solve for x
    x = 20,930,730.72/5,171.15
  6. Step 6: Final answer
    x = 4,047.60

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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.