Finding the Fourth Proportional to 4,574.09, 6,858.97 and 2,108.18
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Solution
The fourth proportional to 4,574.09, 6,858.97 and 2,108.18 is: 3,161.27
Step by Step Solution
- Step 1: Write the proportion equation
4,574.09 : 6,858.97 = 2,108.18 : x - Step 2: Convert to fraction form
4,574.09/6,858.97 = 2,108.18/x - Step 3: Cross multiply
4,574.09x = 6,858.97 × 2,108.18 - Step 4: Simplify right side
4,574.09x = 14,459,955.25 - Step 5: Solve for x
x = 14,459,955.25/4,574.09 - Step 6: Final answer
x = 3,161.27
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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.