Home / 4,178.36-6,257.88-2,091.92

Finding the Fourth Proportional to 4,178.36, 6,257.88 and 2,091.92

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Solution

The fourth proportional to 4,178.36, 6,257.88 and 2,091.92 is: 3,133.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.36 : 6,257.88 = 2,091.92 : x
  2. Step 2: Convert to fraction form
    4,178.36/6,257.88 = 2,091.92/x
  3. Step 3: Cross multiply
    4,178.36x = 6,257.88 × 2,091.92
  4. Step 4: Simplify right side
    4,178.36x = 13,090,984.33
  5. Step 5: Solve for x
    x = 13,090,984.33/4,178.36
  6. Step 6: Final answer
    x = 3,133.04

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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.