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Finding the Fourth Proportional to 6,605.25, 9,115.65 and 3,810.75

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Solution

The fourth proportional to 6,605.25, 9,115.65 and 3,810.75 is: 5,259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.25 : 9,115.65 = 3,810.75 : x
  2. Step 2: Convert to fraction form
    6,605.25/9,115.65 = 3,810.75/x
  3. Step 3: Cross multiply
    6,605.25x = 9,115.65 × 3,810.75
  4. Step 4: Simplify right side
    6,605.25x = 34,737,463.24
  5. Step 5: Solve for x
    x = 34,737,463.24/6,605.25
  6. Step 6: Final answer
    x = 5,259.07

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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.