Finding the Fourth Proportional to 5,786.23, 8,678.26 and 2,821.70
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Solution
The fourth proportional to 5,786.23, 8,678.26 and 2,821.70 is: 4,232.02
Step by Step Solution
- Step 1: Write the proportion equation
5,786.23 : 8,678.26 = 2,821.70 : x - Step 2: Convert to fraction form
5,786.23/8,678.26 = 2,821.70/x - Step 3: Cross multiply
5,786.23x = 8,678.26 × 2,821.70 - Step 4: Simplify right side
5,786.23x = 24,487,446.24 - Step 5: Solve for x
x = 24,487,446.24/5,786.23 - Step 6: Final answer
x = 4,232.02
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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.