Home / 4,128.60-6,196.82-2,563.86

Finding the Fourth Proportional to 4,128.60, 6,196.82 and 2,563.86

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Solution

The fourth proportional to 4,128.60, 6,196.82 and 2,563.86 is: 3,848.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.60 : 6,196.82 = 2,563.86 : x
  2. Step 2: Convert to fraction form
    4,128.60/6,196.82 = 2,563.86/x
  3. Step 3: Cross multiply
    4,128.60x = 6,196.82 × 2,563.86
  4. Step 4: Simplify right side
    4,128.60x = 15,887,778.93
  5. Step 5: Solve for x
    x = 15,887,778.93/4,128.60
  6. Step 6: Final answer
    x = 3,848.22

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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.