Home / 4,081.52-6,125-2,621.72

Finding the Fourth Proportional to 4,081.52, 6,125 and 2,621.72

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Solution

The fourth proportional to 4,081.52, 6,125 and 2,621.72 is: 3,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.52 : 6,125 = 2,621.72 : x
  2. Step 2: Convert to fraction form
    4,081.52/6,125 = 2,621.72/x
  3. Step 3: Cross multiply
    4,081.52x = 6,125 × 2,621.72
  4. Step 4: Simplify right side
    4,081.52x = 16,058,035.00
  5. Step 5: Solve for x
    x = 16,058,035.00/4,081.52
  6. Step 6: Final answer
    x = 3,934.33

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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.