Finding the Fourth Proportional to 7,704.99, 11,548.08 and 4,186.62
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Solution
The fourth proportional to 7,704.99, 11,548.08 and 4,186.62 is: 6,274.82
Step by Step Solution
- Step 1: Write the proportion equation
7,704.99 : 11,548.08 = 4,186.62 : x - Step 2: Convert to fraction form
7,704.99/11,548.08 = 4,186.62/x - Step 3: Cross multiply
7,704.99x = 11,548.08 × 4,186.62 - Step 4: Simplify right side
7,704.99x = 48,347,422.69 - Step 5: Solve for x
x = 48,347,422.69/7,704.99 - Step 6: Final answer
x = 6,274.82
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1.5x scale
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.