Home / 6,122.72-9,182.64-1,739

Finding the Fourth Proportional to 6,122.72, 9,182.64 and 1,739

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Solution

The fourth proportional to 6,122.72, 9,182.64 and 1,739 is: 2,608.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.72 : 9,182.64 = 1,739 : x
  2. Step 2: Convert to fraction form
    6,122.72/9,182.64 = 1,739/x
  3. Step 3: Cross multiply
    6,122.72x = 9,182.64 × 1,739
  4. Step 4: Simplify right side
    6,122.72x = 15,968,610.96
  5. Step 5: Solve for x
    x = 15,968,610.96/6,122.72
  6. Step 6: Final answer
    x = 2,608.09

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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.