Home / 5,080.25-7,617.94-2,156.96

Finding the Fourth Proportional to 5,080.25, 7,617.94 and 2,156.96

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Solution

The fourth proportional to 5,080.25, 7,617.94 and 2,156.96 is: 3,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.25 : 7,617.94 = 2,156.96 : x
  2. Step 2: Convert to fraction form
    5,080.25/7,617.94 = 2,156.96/x
  3. Step 3: Cross multiply
    5,080.25x = 7,617.94 × 2,156.96
  4. Step 4: Simplify right side
    5,080.25x = 16,431,548.38
  5. Step 5: Solve for x
    x = 16,431,548.38/5,080.25
  6. Step 6: Final answer
    x = 3,234.40

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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.