Finding the Fourth Proportional to 7,750.75, 11,626.14 and 3,588.49
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Solution
The fourth proportional to 7,750.75, 11,626.14 and 3,588.49 is: 5,382.74
Step by Step Solution
- Step 1: Write the proportion equation
7,750.75 : 11,626.14 = 3,588.49 : x - Step 2: Convert to fraction form
7,750.75/11,626.14 = 3,588.49/x - Step 3: Cross multiply
7,750.75x = 11,626.14 × 3,588.49 - Step 4: Simplify right side
7,750.75x = 41,720,269.19 - Step 5: Solve for x
x = 41,720,269.19/7,750.75 - Step 6: Final answer
x = 5,382.74
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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.