Finding the Fourth Proportional to 8,201.86, 11,318.03 and 4,664.99
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Solution
The fourth proportional to 8,201.86, 11,318.03 and 4,664.99 is: 6,437.39
Step by Step Solution
- Step 1: Write the proportion equation
8,201.86 : 11,318.03 = 4,664.99 : x - Step 2: Convert to fraction form
8,201.86/11,318.03 = 4,664.99/x - Step 3: Cross multiply
8,201.86x = 11,318.03 × 4,664.99 - Step 4: Simplify right side
8,201.86x = 52,798,519.23 - Step 5: Solve for x
x = 52,798,519.23/8,201.86 - Step 6: Final answer
x = 6,437.39
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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.