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Finding the Fourth Proportional to 7,207.97, 9,947.07 and 4,064.15

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Solution

The fourth proportional to 7,207.97, 9,947.07 and 4,064.15 is: 5,608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.97 : 9,947.07 = 4,064.15 : x
  2. Step 2: Convert to fraction form
    7,207.97/9,947.07 = 4,064.15/x
  3. Step 3: Cross multiply
    7,207.97x = 9,947.07 × 4,064.15
  4. Step 4: Simplify right side
    7,207.97x = 40,426,409.41
  5. Step 5: Solve for x
    x = 40,426,409.41/7,207.97
  6. Step 6: Final answer
    x = 5,608.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.