Home / 6,936.68-10,402.29-2,988.24

Finding the Fourth Proportional to 6,936.68, 10,402.29 and 2,988.24

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Solution

The fourth proportional to 6,936.68, 10,402.29 and 2,988.24 is: 4,481.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.68 : 10,402.29 = 2,988.24 : x
  2. Step 2: Convert to fraction form
    6,936.68/10,402.29 = 2,988.24/x
  3. Step 3: Cross multiply
    6,936.68x = 10,402.29 × 2,988.24
  4. Step 4: Simplify right side
    6,936.68x = 31,084,539.07
  5. Step 5: Solve for x
    x = 31,084,539.07/6,936.68
  6. Step 6: Final answer
    x = 4,481.19

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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.