Home / 6,982.05-10,460.78-3,687.89

Finding the Fourth Proportional to 6,982.05, 10,460.78 and 3,687.89

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Solution

The fourth proportional to 6,982.05, 10,460.78 and 3,687.89 is: 5,525.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.05 : 10,460.78 = 3,687.89 : x
  2. Step 2: Convert to fraction form
    6,982.05/10,460.78 = 3,687.89/x
  3. Step 3: Cross multiply
    6,982.05x = 10,460.78 × 3,687.89
  4. Step 4: Simplify right side
    6,982.05x = 38,578,135.21
  5. Step 5: Solve for x
    x = 38,578,135.21/6,982.05
  6. Step 6: Final answer
    x = 5,525.33

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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.