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Finding the Fourth Proportional to 7,726.87, 11,580.81 and 3,561.10

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Solution

The fourth proportional to 7,726.87, 11,580.81 and 3,561.10 is: 5,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.87 : 11,580.81 = 3,561.10 : x
  2. Step 2: Convert to fraction form
    7,726.87/11,580.81 = 3,561.10/x
  3. Step 3: Cross multiply
    7,726.87x = 11,580.81 × 3,561.10
  4. Step 4: Simplify right side
    7,726.87x = 41,240,380.18
  5. Step 5: Solve for x
    x = 41,240,380.18/7,726.87
  6. Step 6: Final answer
    x = 5,337.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.