Finding the Fourth Proportional to 7,668.73, 11,497.70 and 2,984.79
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Solution
The fourth proportional to 7,668.73, 11,497.70 and 2,984.79 is: 4,475.09
Step by Step Solution
- Step 1: Write the proportion equation
7,668.73 : 11,497.70 = 2,984.79 : x - Step 2: Convert to fraction form
7,668.73/11,497.70 = 2,984.79/x - Step 3: Cross multiply
7,668.73x = 11,497.70 × 2,984.79 - Step 4: Simplify right side
7,668.73x = 34,318,219.98 - Step 5: Solve for x
x = 34,318,219.98/7,668.73 - Step 6: Final answer
x = 4,475.09
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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.