Home / 5,072.42-7,607.99-2,151.43

Finding the Fourth Proportional to 5,072.42, 7,607.99 and 2,151.43

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Solution

The fourth proportional to 5,072.42, 7,607.99 and 2,151.43 is: 3,226.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.42 : 7,607.99 = 2,151.43 : x
  2. Step 2: Convert to fraction form
    5,072.42/7,607.99 = 2,151.43/x
  3. Step 3: Cross multiply
    5,072.42x = 7,607.99 × 2,151.43
  4. Step 4: Simplify right side
    5,072.42x = 16,368,044.28
  5. Step 5: Solve for x
    x = 16,368,044.28/5,072.42
  6. Step 6: Final answer
    x = 3,226.87

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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.