Finding the Fourth Proportional to 7,889.87, 11,825.26 and 3,724.99
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Solution
The fourth proportional to 7,889.87, 11,825.26 and 3,724.99 is: 5,582.97
Step by Step Solution
- Step 1: Write the proportion equation
7,889.87 : 11,825.26 = 3,724.99 : x - Step 2: Convert to fraction form
7,889.87/11,825.26 = 3,724.99/x - Step 3: Cross multiply
7,889.87x = 11,825.26 × 3,724.99 - Step 4: Simplify right side
7,889.87x = 44,048,936.37 - Step 5: Solve for x
x = 44,048,936.37/7,889.87 - Step 6: Final answer
x = 5,582.97
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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.