Home / 6,180.54-9,272.19-3,405.79

Finding the Fourth Proportional to 6,180.54, 9,272.19 and 3,405.79

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Solution

The fourth proportional to 6,180.54, 9,272.19 and 3,405.79 is: 5,109.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.54 : 9,272.19 = 3,405.79 : x
  2. Step 2: Convert to fraction form
    6,180.54/9,272.19 = 3,405.79/x
  3. Step 3: Cross multiply
    6,180.54x = 9,272.19 × 3,405.79
  4. Step 4: Simplify right side
    6,180.54x = 31,579,077.10
  5. Step 5: Solve for x
    x = 31,579,077.10/6,180.54
  6. Step 6: Final answer
    x = 5,109.44

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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.