Finding the Fourth Proportional to 8,630.73, 11,912.37 and 6,110.19
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Solution
The fourth proportional to 8,630.73, 11,912.37 and 6,110.19 is: 8,433.45
Step by Step Solution
- Step 1: Write the proportion equation
8,630.73 : 11,912.37 = 6,110.19 : x - Step 2: Convert to fraction form
8,630.73/11,912.37 = 6,110.19/x - Step 3: Cross multiply
8,630.73x = 11,912.37 × 6,110.19 - Step 4: Simplify right side
8,630.73x = 72,786,844.05 - Step 5: Solve for x
x = 72,786,844.05/8,630.73 - Step 6: Final answer
x = 8,433.45
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1.5x scale
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.