Home / 6,135.85-9,213.01-3,681.65

Finding the Fourth Proportional to 6,135.85, 9,213.01 and 3,681.65

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Solution

The fourth proportional to 6,135.85, 9,213.01 and 3,681.65 is: 5,528.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.85 : 9,213.01 = 3,681.65 : x
  2. Step 2: Convert to fraction form
    6,135.85/9,213.01 = 3,681.65/x
  3. Step 3: Cross multiply
    6,135.85x = 9,213.01 × 3,681.65
  4. Step 4: Simplify right side
    6,135.85x = 33,919,092.09
  5. Step 5: Solve for x
    x = 33,919,092.09/6,135.85
  6. Step 6: Final answer
    x = 5,528.02

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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.