Finding the Fourth Proportional to 4,622.58, 6,932.63 and 2,154.99
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Solution
The fourth proportional to 4,622.58, 6,932.63 and 2,154.99 is: 3,231.90
Step by Step Solution
- Step 1: Write the proportion equation
4,622.58 : 6,932.63 = 2,154.99 : x - Step 2: Convert to fraction form
4,622.58/6,932.63 = 2,154.99/x - Step 3: Cross multiply
4,622.58x = 6,932.63 × 2,154.99 - Step 4: Simplify right side
4,622.58x = 14,939,737.55 - Step 5: Solve for x
x = 14,939,737.55/4,622.58 - Step 6: Final answer
x = 3,231.90
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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.