Finding the Fourth Proportional to 7,476.09, 11,211.09 and 2,209.67
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Solution
The fourth proportional to 7,476.09, 11,211.09 and 2,209.67 is: 3,313.61
Step by Step Solution
- Step 1: Write the proportion equation
7,476.09 : 11,211.09 = 2,209.67 : x - Step 2: Convert to fraction form
7,476.09/11,211.09 = 2,209.67/x - Step 3: Cross multiply
7,476.09x = 11,211.09 × 2,209.67 - Step 4: Simplify right side
7,476.09x = 24,772,809.24 - Step 5: Solve for x
x = 24,772,809.24/7,476.09 - Step 6: Final answer
x = 3,313.61
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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.