Home / 6,729.13-10,095.31-2,112.13

Finding the Fourth Proportional to 6,729.13, 10,095.31 and 2,112.13

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Solution

The fourth proportional to 6,729.13, 10,095.31 and 2,112.13 is: 3,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.13 : 10,095.31 = 2,112.13 : x
  2. Step 2: Convert to fraction form
    6,729.13/10,095.31 = 2,112.13/x
  3. Step 3: Cross multiply
    6,729.13x = 10,095.31 × 2,112.13
  4. Step 4: Simplify right side
    6,729.13x = 21,322,556.63
  5. Step 5: Solve for x
    x = 21,322,556.63/6,729.13
  6. Step 6: Final answer
    x = 3,168.70

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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.