Finding the Fourth Proportional to 7,716.08, 11,582.36 and 6,797.54
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Solution
The fourth proportional to 7,716.08, 11,582.36 and 6,797.54 is: 10,203.56
Step by Step Solution
- Step 1: Write the proportion equation
7,716.08 : 11,582.36 = 6,797.54 : x - Step 2: Convert to fraction form
7,716.08/11,582.36 = 6,797.54/x - Step 3: Cross multiply
7,716.08x = 11,582.36 × 6,797.54 - Step 4: Simplify right side
7,716.08x = 78,731,463.49 - Step 5: Solve for x
x = 78,731,463.49/7,716.08 - Step 6: Final answer
x = 10,203.56
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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.