Finding the Fourth Proportional to 4,573.18, 6,859.68 and 2,108.00
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Solution
The fourth proportional to 4,573.18, 6,859.68 and 2,108.00 is: 3,161.96
Step by Step Solution
- Step 1: Write the proportion equation
4,573.18 : 6,859.68 = 2,108.00 : x - Step 2: Convert to fraction form
4,573.18/6,859.68 = 2,108.00/x - Step 3: Cross multiply
4,573.18x = 6,859.68 × 2,108.00 - Step 4: Simplify right side
4,573.18x = 14,460,230.26 - Step 5: Solve for x
x = 14,460,230.26/4,573.18 - Step 6: Final answer
x = 3,161.96
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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.