Home / 9,072.09-13,613.91-4,914.99

Finding the Fourth Proportional to 9,072.09, 13,613.91 and 4,914.99

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Solution

The fourth proportional to 9,072.09, 13,613.91 and 4,914.99 is: 7,375.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.09 : 13,613.91 = 4,914.99 : x
  2. Step 2: Convert to fraction form
    9,072.09/13,613.91 = 4,914.99/x
  3. Step 3: Cross multiply
    9,072.09x = 13,613.91 × 4,914.99
  4. Step 4: Simplify right side
    9,072.09x = 66,912,231.51
  5. Step 5: Solve for x
    x = 66,912,231.51/9,072.09
  6. Step 6: Final answer
    x = 7,375.61

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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.