Home / 4,255.92-6,387.74-2,177.36

Finding the Fourth Proportional to 4,255.92, 6,387.74 and 2,177.36

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Solution

The fourth proportional to 4,255.92, 6,387.74 and 2,177.36 is: 3,268.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.92 : 6,387.74 = 2,177.36 : x
  2. Step 2: Convert to fraction form
    4,255.92/6,387.74 = 2,177.36/x
  3. Step 3: Cross multiply
    4,255.92x = 6,387.74 × 2,177.36
  4. Step 4: Simplify right side
    4,255.92x = 13,908,366.74
  5. Step 5: Solve for x
    x = 13,908,366.74/4,255.92
  6. Step 6: Final answer
    x = 3,268.01

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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.