Home / 4,256.42-6,388.49-2,177.86

Finding the Fourth Proportional to 4,256.42, 6,388.49 and 2,177.86

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Solution

The fourth proportional to 4,256.42, 6,388.49 and 2,177.86 is: 3,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.42 : 6,388.49 = 2,177.86 : x
  2. Step 2: Convert to fraction form
    4,256.42/6,388.49 = 2,177.86/x
  3. Step 3: Cross multiply
    4,256.42x = 6,388.49 × 2,177.86
  4. Step 4: Simplify right side
    4,256.42x = 13,913,194.00
  5. Step 5: Solve for x
    x = 13,913,194.00/4,256.42
  6. Step 6: Final answer
    x = 3,268.76

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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.