Home / 4,612.20-6,920.03-2,764.63

Finding the Fourth Proportional to 4,612.20, 6,920.03 and 2,764.63

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Solution

The fourth proportional to 4,612.20, 6,920.03 and 2,764.63 is: 4,147.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.20 : 6,920.03 = 2,764.63 : x
  2. Step 2: Convert to fraction form
    4,612.20/6,920.03 = 2,764.63/x
  3. Step 3: Cross multiply
    4,612.20x = 6,920.03 × 2,764.63
  4. Step 4: Simplify right side
    4,612.20x = 19,131,322.54
  5. Step 5: Solve for x
    x = 19,131,322.54/4,612.20
  6. Step 6: Final answer
    x = 4,147.98

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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.