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Finding the Fourth Proportional to 8,716.66, 13,074.96 and 2,476.68

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Solution

The fourth proportional to 8,716.66, 13,074.96 and 2,476.68 is: 3,715.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.66 : 13,074.96 = 2,476.68 : x
  2. Step 2: Convert to fraction form
    8,716.66/13,074.96 = 2,476.68/x
  3. Step 3: Cross multiply
    8,716.66x = 13,074.96 × 2,476.68
  4. Step 4: Simplify right side
    8,716.66x = 32,382,491.93
  5. Step 5: Solve for x
    x = 32,382,491.93/8,716.66
  6. Step 6: Final answer
    x = 3,715.01

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Why These Related Problems?

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