Finding the Fourth Proportional to 7,891.44, 11,836 and 2,343.75
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Solution
The fourth proportional to 7,891.44, 11,836 and 2,343.75 is: 3,515.28
Step by Step Solution
- Step 1: Write the proportion equation
7,891.44 : 11,836 = 2,343.75 : x - Step 2: Convert to fraction form
7,891.44/11,836 = 2,343.75/x - Step 3: Cross multiply
7,891.44x = 11,836 × 2,343.75 - Step 4: Simplify right side
7,891.44x = 27,740,625 - Step 5: Solve for x
x = 27,740,625/7,891.44 - Step 6: Final answer
x = 3,515.28
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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.