Home / 7,126.36-9,834.50-3,982.52

Finding the Fourth Proportional to 7,126.36, 9,834.50 and 3,982.52

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Solution

The fourth proportional to 7,126.36, 9,834.50 and 3,982.52 is: 5,495.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.36 : 9,834.50 = 3,982.52 : x
  2. Step 2: Convert to fraction form
    7,126.36/9,834.50 = 3,982.52/x
  3. Step 3: Cross multiply
    7,126.36x = 9,834.50 × 3,982.52
  4. Step 4: Simplify right side
    7,126.36x = 39,166,092.94
  5. Step 5: Solve for x
    x = 39,166,092.94/7,126.36
  6. Step 6: Final answer
    x = 5,495.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.