Home / 6,213.32-9,317.24-3,869.80

Finding the Fourth Proportional to 6,213.32, 9,317.24 and 3,869.80

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Solution

The fourth proportional to 6,213.32, 9,317.24 and 3,869.80 is: 5,802.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.32 : 9,317.24 = 3,869.80 : x
  2. Step 2: Convert to fraction form
    6,213.32/9,317.24 = 3,869.80/x
  3. Step 3: Cross multiply
    6,213.32x = 9,317.24 × 3,869.80
  4. Step 4: Simplify right side
    6,213.32x = 36,055,855.35
  5. Step 5: Solve for x
    x = 36,055,855.35/6,213.32
  6. Step 6: Final answer
    x = 5,802.99

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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.