Home / 8,716.14-13,069.96-3,091.91

Finding the Fourth Proportional to 8,716.14, 13,069.96 and 3,091.91

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Solution

The fourth proportional to 8,716.14, 13,069.96 and 3,091.91 is: 4,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.14 : 13,069.96 = 3,091.91 : x
  2. Step 2: Convert to fraction form
    8,716.14/13,069.96 = 3,091.91/x
  3. Step 3: Cross multiply
    8,716.14x = 13,069.96 × 3,091.91
  4. Step 4: Simplify right side
    8,716.14x = 40,411,066.94
  5. Step 5: Solve for x
    x = 40,411,066.94/8,716.14
  6. Step 6: Final answer
    x = 4,636.35

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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.