Finding the Fourth Proportional to 7,962.62, 11,933.66 and 3,276.99
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Solution
The fourth proportional to 7,962.62, 11,933.66 and 3,276.99 is: 4,911.26
Step by Step Solution
- Step 1: Write the proportion equation
7,962.62 : 11,933.66 = 3,276.99 : x - Step 2: Convert to fraction form
7,962.62/11,933.66 = 3,276.99/x - Step 3: Cross multiply
7,962.62x = 11,933.66 × 3,276.99 - Step 4: Simplify right side
7,962.62x = 39,106,492.68 - Step 5: Solve for x
x = 39,106,492.68/7,962.62 - Step 6: Final answer
x = 4,911.26
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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.