Finding the Fourth Proportional to 7,696.13, 11,544.74 and 2,765.79
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Solution
The fourth proportional to 7,696.13, 11,544.74 and 2,765.79 is: 4,148.88
Step by Step Solution
- Step 1: Write the proportion equation
7,696.13 : 11,544.74 = 2,765.79 : x - Step 2: Convert to fraction form
7,696.13/11,544.74 = 2,765.79/x - Step 3: Cross multiply
7,696.13x = 11,544.74 × 2,765.79 - Step 4: Simplify right side
7,696.13x = 31,930,312.62 - Step 5: Solve for x
x = 31,930,312.62/7,696.13 - Step 6: Final answer
x = 4,148.88
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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.