Home / 6,843.20-9,443.60-3,699.38

Finding the Fourth Proportional to 6,843.20, 9,443.60 and 3,699.38

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Solution

The fourth proportional to 6,843.20, 9,443.60 and 3,699.38 is: 5,105.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,843.20 : 9,443.60 = 3,699.38 : x
  2. Step 2: Convert to fraction form
    6,843.20/9,443.60 = 3,699.38/x
  3. Step 3: Cross multiply
    6,843.20x = 9,443.60 × 3,699.38
  4. Step 4: Simplify right side
    6,843.20x = 34,935,399.25
  5. Step 5: Solve for x
    x = 34,935,399.25/6,843.20
  6. Step 6: Final answer
    x = 5,105.13

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1.5x scale

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.