Finding the Fourth Proportional to 8,222.84, 11,348.76 and 5,240
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Solution
The fourth proportional to 8,222.84, 11,348.76 and 5,240 is: 7,231.99
Step by Step Solution
- Step 1: Write the proportion equation
8,222.84 : 11,348.76 = 5,240 : x - Step 2: Convert to fraction form
8,222.84/11,348.76 = 5,240/x - Step 3: Cross multiply
8,222.84x = 11,348.76 × 5,240 - Step 4: Simplify right side
8,222.84x = 59,467,502.40 - Step 5: Solve for x
x = 59,467,502.40/8,222.84 - Step 6: Final answer
x = 7,231.99
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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.