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Finding the Fourth Proportional to 6,672.82, 10,010.64 and 1,993.19

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Solution

The fourth proportional to 6,672.82, 10,010.64 and 1,993.19 is: 2,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.82 : 10,010.64 = 1,993.19 : x
  2. Step 2: Convert to fraction form
    6,672.82/10,010.64 = 1,993.19/x
  3. Step 3: Cross multiply
    6,672.82x = 10,010.64 × 1,993.19
  4. Step 4: Simplify right side
    6,672.82x = 19,953,107.54
  5. Step 5: Solve for x
    x = 19,953,107.54/6,672.82
  6. Step 6: Final answer
    x = 2,990.21

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1.5x scale

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.