Finding the Fourth Proportional to 7,677.14, 11,471.99 and 5,764.99
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Solution
The fourth proportional to 7,677.14, 11,471.99 and 5,764.99 is: 8,614.65
Step by Step Solution
- Step 1: Write the proportion equation
7,677.14 : 11,471.99 = 5,764.99 : x - Step 2: Convert to fraction form
7,677.14/11,471.99 = 5,764.99/x - Step 3: Cross multiply
7,677.14x = 11,471.99 × 5,764.99 - Step 4: Simplify right side
7,677.14x = 66,135,907.63 - Step 5: Solve for x
x = 66,135,907.63/7,677.14 - Step 6: Final answer
x = 8,614.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.