Home / 4,129.93-6,192.77-1,664.09

Finding the Fourth Proportional to 4,129.93, 6,192.77 and 1,664.09

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Solution

The fourth proportional to 4,129.93, 6,192.77 and 1,664.09 is: 2,495.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.93 : 6,192.77 = 1,664.09 : x
  2. Step 2: Convert to fraction form
    4,129.93/6,192.77 = 1,664.09/x
  3. Step 3: Cross multiply
    4,129.93x = 6,192.77 × 1,664.09
  4. Step 4: Simplify right side
    4,129.93x = 10,305,287.35
  5. Step 5: Solve for x
    x = 10,305,287.35/4,129.93
  6. Step 6: Final answer
    x = 2,495.27

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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.