Home / 4,188.60-6,288.30-3,367.80

Finding the Fourth Proportional to 4,188.60, 6,288.30 and 3,367.80

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Solution

The fourth proportional to 4,188.60, 6,288.30 and 3,367.80 is: 5,056.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.60 : 6,288.30 = 3,367.80 : x
  2. Step 2: Convert to fraction form
    4,188.60/6,288.30 = 3,367.80/x
  3. Step 3: Cross multiply
    4,188.60x = 6,288.30 × 3,367.80
  4. Step 4: Simplify right side
    4,188.60x = 21,177,736.74
  5. Step 5: Solve for x
    x = 21,177,736.74/4,188.60
  6. Step 6: Final answer
    x = 5,056.04

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1.5x scale

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.