Finding the Fourth Proportional to 7,672.97, 11,506.95 and 2,477.63
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Solution
The fourth proportional to 7,672.97, 11,506.95 and 2,477.63 is: 3,715.63
Step by Step Solution
- Step 1: Write the proportion equation
7,672.97 : 11,506.95 = 2,477.63 : x - Step 2: Convert to fraction form
7,672.97/11,506.95 = 2,477.63/x - Step 3: Cross multiply
7,672.97x = 11,506.95 × 2,477.63 - Step 4: Simplify right side
7,672.97x = 28,509,906.99 - Step 5: Solve for x
x = 28,509,906.99/7,672.97 - Step 6: Final answer
x = 3,715.63
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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.