Home / 6,982.67-10,472.76-1,985.38

Finding the Fourth Proportional to 6,982.67, 10,472.76 and 1,985.38

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Solution

The fourth proportional to 6,982.67, 10,472.76 and 1,985.38 is: 2,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.67 : 10,472.76 = 1,985.38 : x
  2. Step 2: Convert to fraction form
    6,982.67/10,472.76 = 1,985.38/x
  3. Step 3: Cross multiply
    6,982.67x = 10,472.76 × 1,985.38
  4. Step 4: Simplify right side
    6,982.67x = 20,792,382.07
  5. Step 5: Solve for x
    x = 20,792,382.07/6,982.67
  6. Step 6: Final answer
    x = 2,977.71

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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.