Home / 4,129.79-6,192.97-1,663.94

Finding the Fourth Proportional to 4,129.79, 6,192.97 and 1,663.94

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Solution

The fourth proportional to 4,129.79, 6,192.97 and 1,663.94 is: 2,495.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.79 : 6,192.97 = 1,663.94 : x
  2. Step 2: Convert to fraction form
    4,129.79/6,192.97 = 1,663.94/x
  3. Step 3: Cross multiply
    4,129.79x = 6,192.97 × 1,663.94
  4. Step 4: Simplify right side
    4,129.79x = 10,304,744.16
  5. Step 5: Solve for x
    x = 10,304,744.16/4,129.79
  6. Step 6: Final answer
    x = 2,495.23

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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.