Finding the Fourth Proportional to 7,704.99, 11,550.40 and 2,773.44
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Solution
The fourth proportional to 7,704.99, 11,550.40 and 2,773.44 is: 4,157.61
Step by Step Solution
- Step 1: Write the proportion equation
7,704.99 : 11,550.40 = 2,773.44 : x - Step 2: Convert to fraction form
7,704.99/11,550.40 = 2,773.44/x - Step 3: Cross multiply
7,704.99x = 11,550.40 × 2,773.44 - Step 4: Simplify right side
7,704.99x = 32,034,334.44 - Step 5: Solve for x
x = 32,034,334.44/7,704.99 - Step 6: Final answer
x = 4,157.61
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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.