Finding the Fourth Proportional to 9,481.24, 14,221.86 and 3,933.09
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Solution
The fourth proportional to 9,481.24, 14,221.86 and 3,933.09 is: 5,899.63
Step by Step Solution
- Step 1: Write the proportion equation
9,481.24 : 14,221.86 = 3,933.09 : x - Step 2: Convert to fraction form
9,481.24/14,221.86 = 3,933.09/x - Step 3: Cross multiply
9,481.24x = 14,221.86 × 3,933.09 - Step 4: Simplify right side
9,481.24x = 55,935,764.57 - Step 5: Solve for x
x = 55,935,764.57/9,481.24 - Step 6: Final answer
x = 5,899.63
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1.5x scale
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.