Finding the Fourth Proportional to 7,752.93, 11,629.79 and 2,207.09
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Solution
The fourth proportional to 7,752.93, 11,629.79 and 2,207.09 is: 3,310.75
Step by Step Solution
- Step 1: Write the proportion equation
7,752.93 : 11,629.79 = 2,207.09 : x - Step 2: Convert to fraction form
7,752.93/11,629.79 = 2,207.09/x - Step 3: Cross multiply
7,752.93x = 11,629.79 × 2,207.09 - Step 4: Simplify right side
7,752.93x = 25,668,011.25 - Step 5: Solve for x
x = 25,668,011.25/7,752.93 - Step 6: Final answer
x = 3,310.75
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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.