Home / 5,091.99-7,638.18-2,168.29

Finding the Fourth Proportional to 5,091.99, 7,638.18 and 2,168.29

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Solution

The fourth proportional to 5,091.99, 7,638.18 and 2,168.29 is: 3,252.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.99 : 7,638.18 = 2,168.29 : x
  2. Step 2: Convert to fraction form
    5,091.99/7,638.18 = 2,168.29/x
  3. Step 3: Cross multiply
    5,091.99x = 7,638.18 × 2,168.29
  4. Step 4: Simplify right side
    5,091.99x = 16,561,789.31
  5. Step 5: Solve for x
    x = 16,561,789.31/5,091.99
  6. Step 6: Final answer
    x = 3,252.52

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1.5x scale

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.