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Finding the Fourth Proportional to 8,225.97, 11,347.88 and 7,907.69

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Solution

The fourth proportional to 8,225.97, 11,347.88 and 7,907.69 is: 10,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.97 : 11,347.88 = 7,907.69 : x
  2. Step 2: Convert to fraction form
    8,225.97/11,347.88 = 7,907.69/x
  3. Step 3: Cross multiply
    8,225.97x = 11,347.88 × 7,907.69
  4. Step 4: Simplify right side
    8,225.97x = 89,735,420.92
  5. Step 5: Solve for x
    x = 89,735,420.92/8,225.97
  6. Step 6: Final answer
    x = 10,908.80

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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.