Home / 8,713.98-13,066.87-3,163.40

Finding the Fourth Proportional to 8,713.98, 13,066.87 and 3,163.40

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Solution

The fourth proportional to 8,713.98, 13,066.87 and 3,163.40 is: 4,743.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.98 : 13,066.87 = 3,163.40 : x
  2. Step 2: Convert to fraction form
    8,713.98/13,066.87 = 3,163.40/x
  3. Step 3: Cross multiply
    8,713.98x = 13,066.87 × 3,163.40
  4. Step 4: Simplify right side
    8,713.98x = 41,335,791.75
  5. Step 5: Solve for x
    x = 41,335,791.75/8,713.98
  6. Step 6: Final answer
    x = 4,743.62

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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.