Home / 4,519.74-6,772.62-3,135.78

Finding the Fourth Proportional to 4,519.74, 6,772.62 and 3,135.78

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Solution

The fourth proportional to 4,519.74, 6,772.62 and 3,135.78 is: 4,698.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.74 : 6,772.62 = 3,135.78 : x
  2. Step 2: Convert to fraction form
    4,519.74/6,772.62 = 3,135.78/x
  3. Step 3: Cross multiply
    4,519.74x = 6,772.62 × 3,135.78
  4. Step 4: Simplify right side
    4,519.74x = 21,237,446.34
  5. Step 5: Solve for x
    x = 21,237,446.34/4,519.74
  6. Step 6: Final answer
    x = 4,698.82

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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.