Finding the Fourth Proportional to 8,618.44, 11,897.99 and 5,800.63
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Solution
The fourth proportional to 8,618.44, 11,897.99 and 5,800.63 is: 8,007.92
Step by Step Solution
- Step 1: Write the proportion equation
8,618.44 : 11,897.99 = 5,800.63 : x - Step 2: Convert to fraction form
8,618.44/11,897.99 = 5,800.63/x - Step 3: Cross multiply
8,618.44x = 11,897.99 × 5,800.63 - Step 4: Simplify right side
8,618.44x = 69,015,749.24 - Step 5: Solve for x
x = 69,015,749.24/8,618.44 - Step 6: Final answer
x = 8,007.92
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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.