Finding the Fourth Proportional to 8,823.79, 13,236.97 and 2,982.07
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Solution
The fourth proportional to 8,823.79, 13,236.97 and 2,982.07 is: 4,473.54
Step by Step Solution
- Step 1: Write the proportion equation
8,823.79 : 13,236.97 = 2,982.07 : x - Step 2: Convert to fraction form
8,823.79/13,236.97 = 2,982.07/x - Step 3: Cross multiply
8,823.79x = 13,236.97 × 2,982.07 - Step 4: Simplify right side
8,823.79x = 39,473,571.13 - Step 5: Solve for x
x = 39,473,571.13/8,823.79 - Step 6: Final answer
x = 4,473.54
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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.