Home / 6,814.86-10,216.62-2,918.76

Finding the Fourth Proportional to 6,814.86, 10,216.62 and 2,918.76

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Solution

The fourth proportional to 6,814.86, 10,216.62 and 2,918.76 is: 4,375.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814.86 : 10,216.62 = 2,918.76 : x
  2. Step 2: Convert to fraction form
    6,814.86/10,216.62 = 2,918.76/x
  3. Step 3: Cross multiply
    6,814.86x = 10,216.62 × 2,918.76
  4. Step 4: Simplify right side
    6,814.86x = 29,819,861.79
  5. Step 5: Solve for x
    x = 29,819,861.79/6,814.86
  6. Step 6: Final answer
    x = 4,375.71

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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.