Home / 4,619.92-6,380.78-3,366.60

Finding the Fourth Proportional to 4,619.92, 6,380.78 and 3,366.60

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Solution

The fourth proportional to 4,619.92, 6,380.78 and 3,366.60 is: 4,649.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.92 : 6,380.78 = 3,366.60 : x
  2. Step 2: Convert to fraction form
    4,619.92/6,380.78 = 3,366.60/x
  3. Step 3: Cross multiply
    4,619.92x = 6,380.78 × 3,366.60
  4. Step 4: Simplify right side
    4,619.92x = 21,481,533.95
  5. Step 5: Solve for x
    x = 21,481,533.95/4,619.92
  6. Step 6: Final answer
    x = 4,649.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.