Home / 4,619.80-6,380.64-3,366.46

Finding the Fourth Proportional to 4,619.80, 6,380.64 and 3,366.46

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Solution

The fourth proportional to 4,619.80, 6,380.64 and 3,366.46 is: 4,649.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.80 : 6,380.64 = 3,366.46 : x
  2. Step 2: Convert to fraction form
    4,619.80/6,380.64 = 3,366.46/x
  3. Step 3: Cross multiply
    4,619.80x = 6,380.64 × 3,366.46
  4. Step 4: Simplify right side
    4,619.80x = 21,480,120.60
  5. Step 5: Solve for x
    x = 21,480,120.60/4,619.80
  6. Step 6: Final answer
    x = 4,649.58

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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.