Home / 5,194.72-7,168.90-2,836.96

Finding the Fourth Proportional to 5,194.72, 7,168.90 and 2,836.96

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Solution

The fourth proportional to 5,194.72, 7,168.90 and 2,836.96 is: 3,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.72 : 7,168.90 = 2,836.96 : x
  2. Step 2: Convert to fraction form
    5,194.72/7,168.90 = 2,836.96/x
  3. Step 3: Cross multiply
    5,194.72x = 7,168.90 × 2,836.96
  4. Step 4: Simplify right side
    5,194.72x = 20,337,882.54
  5. Step 5: Solve for x
    x = 20,337,882.54/5,194.72
  6. Step 6: Final answer
    x = 3,915.11

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1.5x scale

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.