Finding the Fourth Proportional to 10,557.24, 15,835.84 and 2,766
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Solution
The fourth proportional to 10,557.24, 15,835.84 and 2,766 is: 4,148.99
Step by Step Solution
- Step 1: Write the proportion equation
10,557.24 : 15,835.84 = 2,766 : x - Step 2: Convert to fraction form
10,557.24/15,835.84 = 2,766/x - Step 3: Cross multiply
10,557.24x = 15,835.84 × 2,766 - Step 4: Simplify right side
10,557.24x = 43,801,933.44 - Step 5: Solve for x
x = 43,801,933.44/10,557.24 - Step 6: Final answer
x = 4,148.99
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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.