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Finding the Fourth Proportional to 7,814.53, 11,723.01 and 2,619.19

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Solution

The fourth proportional to 7,814.53, 11,723.01 and 2,619.19 is: 3,929.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.53 : 11,723.01 = 2,619.19 : x
  2. Step 2: Convert to fraction form
    7,814.53/11,723.01 = 2,619.19/x
  3. Step 3: Cross multiply
    7,814.53x = 11,723.01 × 2,619.19
  4. Step 4: Simplify right side
    7,814.53x = 30,704,751.43
  5. Step 5: Solve for x
    x = 30,704,751.43/7,814.53
  6. Step 6: Final answer
    x = 3,929.19

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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.