Finding the Fourth Proportional to 7,207.26, 9,946 and 3,895.26
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Solution
The fourth proportional to 7,207.26, 9,946 and 3,895.26 is: 5,375.45
Step by Step Solution
- Step 1: Write the proportion equation
7,207.26 : 9,946 = 3,895.26 : x - Step 2: Convert to fraction form
7,207.26/9,946 = 3,895.26/x - Step 3: Cross multiply
7,207.26x = 9,946 × 3,895.26 - Step 4: Simplify right side
7,207.26x = 38,742,255.96 - Step 5: Solve for x
x = 38,742,255.96/7,207.26 - Step 6: Final answer
x = 5,375.45
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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.