Finding the Fourth Proportional to 8,072.94, 11,150.99 and 6,172.99
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Solution
The fourth proportional to 8,072.94, 11,150.99 and 6,172.99 is: 8,526.63
Step by Step Solution
- Step 1: Write the proportion equation
8,072.94 : 11,150.99 = 6,172.99 : x - Step 2: Convert to fraction form
8,072.94/11,150.99 = 6,172.99/x - Step 3: Cross multiply
8,072.94x = 11,150.99 × 6,172.99 - Step 4: Simplify right side
8,072.94x = 68,834,949.76 - Step 5: Solve for x
x = 68,834,949.76/8,072.94 - Step 6: Final answer
x = 8,526.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.