Home / 7,126.12-9,834.03-3,982.31

Finding the Fourth Proportional to 7,126.12, 9,834.03 and 3,982.31

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Solution

The fourth proportional to 7,126.12, 9,834.03 and 3,982.31 is: 5,495.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.12 : 9,834.03 = 3,982.31 : x
  2. Step 2: Convert to fraction form
    7,126.12/9,834.03 = 3,982.31/x
  3. Step 3: Cross multiply
    7,126.12x = 9,834.03 × 3,982.31
  4. Step 4: Simplify right side
    7,126.12x = 39,162,156.01
  5. Step 5: Solve for x
    x = 39,162,156.01/7,126.12
  6. Step 6: Final answer
    x = 5,495.58

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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.