Finding the Fourth Proportional to 7,777.24, 11,668.79 and 2,850.26
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Solution
The fourth proportional to 7,777.24, 11,668.79 and 2,850.26 is: 4,276.46
Step by Step Solution
- Step 1: Write the proportion equation
7,777.24 : 11,668.79 = 2,850.26 : x - Step 2: Convert to fraction form
7,777.24/11,668.79 = 2,850.26/x - Step 3: Cross multiply
7,777.24x = 11,668.79 × 2,850.26 - Step 4: Simplify right side
7,777.24x = 33,259,034.17 - Step 5: Solve for x
x = 33,259,034.17/7,777.24 - Step 6: Final answer
x = 4,276.46
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1.5x scale
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.