Home / 6,135.32-9,207.30-3,949.40

Finding the Fourth Proportional to 6,135.32, 9,207.30 and 3,949.40

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Solution

The fourth proportional to 6,135.32, 9,207.30 and 3,949.40 is: 5,926.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.32 : 9,207.30 = 3,949.40 : x
  2. Step 2: Convert to fraction form
    6,135.32/9,207.30 = 3,949.40/x
  3. Step 3: Cross multiply
    6,135.32x = 9,207.30 × 3,949.40
  4. Step 4: Simplify right side
    6,135.32x = 36,363,310.62
  5. Step 5: Solve for x
    x = 36,363,310.62/6,135.32
  6. Step 6: Final answer
    x = 5,926.88

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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.