Home / 4,786.20-7,181.73-2,814.66

Finding the Fourth Proportional to 4,786.20, 7,181.73 and 2,814.66

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Solution

The fourth proportional to 4,786.20, 7,181.73 and 2,814.66 is: 4,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.20 : 7,181.73 = 2,814.66 : x
  2. Step 2: Convert to fraction form
    4,786.20/7,181.73 = 2,814.66/x
  3. Step 3: Cross multiply
    4,786.20x = 7,181.73 × 2,814.66
  4. Step 4: Simplify right side
    4,786.20x = 20,214,128.16
  5. Step 5: Solve for x
    x = 20,214,128.16/4,786.20
  6. Step 6: Final answer
    x = 4,223.42

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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.