Home / 5,087.04-7,631.38-2,165.38

Finding the Fourth Proportional to 5,087.04, 7,631.38 and 2,165.38

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Solution

The fourth proportional to 5,087.04, 7,631.38 and 2,165.38 is: 3,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.04 : 7,631.38 = 2,165.38 : x
  2. Step 2: Convert to fraction form
    5,087.04/7,631.38 = 2,165.38/x
  3. Step 3: Cross multiply
    5,087.04x = 7,631.38 × 2,165.38
  4. Step 4: Simplify right side
    5,087.04x = 16,524,837.62
  5. Step 5: Solve for x
    x = 16,524,837.62/5,087.04
  6. Step 6: Final answer
    x = 3,248.42

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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.