Home / 4,193.82-6,290.52-1,272.36

Finding the Fourth Proportional to 4,193.82, 6,290.52 and 1,272.36

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Solution

The fourth proportional to 4,193.82, 6,290.52 and 1,272.36 is: 1,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.82 : 6,290.52 = 1,272.36 : x
  2. Step 2: Convert to fraction form
    4,193.82/6,290.52 = 1,272.36/x
  3. Step 3: Cross multiply
    4,193.82x = 6,290.52 × 1,272.36
  4. Step 4: Simplify right side
    4,193.82x = 8,003,806.03
  5. Step 5: Solve for x
    x = 8,003,806.03/4,193.82
  6. Step 6: Final answer
    x = 1,908.48

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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.