Home / 6,911.31-9,537.61-3,767.70

Finding the Fourth Proportional to 6,911.31, 9,537.61 and 3,767.70

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Solution

The fourth proportional to 6,911.31, 9,537.61 and 3,767.70 is: 5,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.31 : 9,537.61 = 3,767.70 : x
  2. Step 2: Convert to fraction form
    6,911.31/9,537.61 = 3,767.70/x
  3. Step 3: Cross multiply
    6,911.31x = 9,537.61 × 3,767.70
  4. Step 4: Simplify right side
    6,911.31x = 35,934,853.20
  5. Step 5: Solve for x
    x = 35,934,853.20/6,911.31
  6. Step 6: Final answer
    x = 5,199.43

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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.