Home / 6,818.14-10,218.84-3,529.36

Finding the Fourth Proportional to 6,818.14, 10,218.84 and 3,529.36

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Solution

The fourth proportional to 6,818.14, 10,218.84 and 3,529.36 is: 5,289.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.14 : 10,218.84 = 3,529.36 : x
  2. Step 2: Convert to fraction form
    6,818.14/10,218.84 = 3,529.36/x
  3. Step 3: Cross multiply
    6,818.14x = 10,218.84 × 3,529.36
  4. Step 4: Simplify right side
    6,818.14x = 36,065,965.14
  5. Step 5: Solve for x
    x = 36,065,965.14/6,818.14
  6. Step 6: Final answer
    x = 5,289.71

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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.