Home / 4,188.20-6,274.20-3,896.60

Finding the Fourth Proportional to 4,188.20, 6,274.20 and 3,896.60

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Solution

The fourth proportional to 4,188.20, 6,274.20 and 3,896.60 is: 5,837.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.20 : 6,274.20 = 3,896.60 : x
  2. Step 2: Convert to fraction form
    4,188.20/6,274.20 = 3,896.60/x
  3. Step 3: Cross multiply
    4,188.20x = 6,274.20 × 3,896.60
  4. Step 4: Simplify right side
    4,188.20x = 24,448,047.72
  5. Step 5: Solve for x
    x = 24,448,047.72/4,188.20
  6. Step 6: Final answer
    x = 5,837.36

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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.