Finding the Fourth Proportional to 9,060.15, 13,586.58 and 2,818.09
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Solution
The fourth proportional to 9,060.15, 13,586.58 and 2,818.09 is: 4,225.99
Step by Step Solution
- Step 1: Write the proportion equation
9,060.15 : 13,586.58 = 2,818.09 : x - Step 2: Convert to fraction form
9,060.15/13,586.58 = 2,818.09/x - Step 3: Cross multiply
9,060.15x = 13,586.58 × 2,818.09 - Step 4: Simplify right side
9,060.15x = 38,288,123.21 - Step 5: Solve for x
x = 38,288,123.21/9,060.15 - Step 6: Final answer
x = 4,225.99
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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.