Home / 6,691.31-10,040.46-3,360.08

Finding the Fourth Proportional to 6,691.31, 10,040.46 and 3,360.08

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Solution

The fourth proportional to 6,691.31, 10,040.46 and 3,360.08 is: 5,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.31 : 10,040.46 = 3,360.08 : x
  2. Step 2: Convert to fraction form
    6,691.31/10,040.46 = 3,360.08/x
  3. Step 3: Cross multiply
    6,691.31x = 10,040.46 × 3,360.08
  4. Step 4: Simplify right side
    6,691.31x = 33,736,761.34
  5. Step 5: Solve for x
    x = 33,736,761.34/6,691.31
  6. Step 6: Final answer
    x = 5,041.88

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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.