Home / 6,343.84-9,519.80-3,424.16

Finding the Fourth Proportional to 6,343.84, 9,519.80 and 3,424.16

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Solution

The fourth proportional to 6,343.84, 9,519.80 and 3,424.16 is: 5,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.84 : 9,519.80 = 3,424.16 : x
  2. Step 2: Convert to fraction form
    6,343.84/9,519.80 = 3,424.16/x
  3. Step 3: Cross multiply
    6,343.84x = 9,519.80 × 3,424.16
  4. Step 4: Simplify right side
    6,343.84x = 32,597,318.37
  5. Step 5: Solve for x
    x = 32,597,318.37/6,343.84
  6. Step 6: Final answer
    x = 5,138.42

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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.