Home / 5,198.48-7,800.60-3,814.64

Finding the Fourth Proportional to 5,198.48, 7,800.60 and 3,814.64

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Solution

The fourth proportional to 5,198.48, 7,800.60 and 3,814.64 is: 5,724.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.48 : 7,800.60 = 3,814.64 : x
  2. Step 2: Convert to fraction form
    5,198.48/7,800.60 = 3,814.64/x
  3. Step 3: Cross multiply
    5,198.48x = 7,800.60 × 3,814.64
  4. Step 4: Simplify right side
    5,198.48x = 29,756,480.78
  5. Step 5: Solve for x
    x = 29,756,480.78/5,198.48
  6. Step 6: Final answer
    x = 5,724.07

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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.