Home / 8,716.04-13,074.99-2,790.81

Finding the Fourth Proportional to 8,716.04, 13,074.99 and 2,790.81

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Solution

The fourth proportional to 8,716.04, 13,074.99 and 2,790.81 is: 4,186.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.04 : 13,074.99 = 2,790.81 : x
  2. Step 2: Convert to fraction form
    8,716.04/13,074.99 = 2,790.81/x
  3. Step 3: Cross multiply
    8,716.04x = 13,074.99 × 2,790.81
  4. Step 4: Simplify right side
    8,716.04x = 36,489,783.09
  5. Step 5: Solve for x
    x = 36,489,783.09/8,716.04
  6. Step 6: Final answer
    x = 4,186.51

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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.