Finding the Fourth Proportional to 10,184.46, 15,276.71 and 2,788.99
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Solution
The fourth proportional to 10,184.46, 15,276.71 and 2,788.99 is: 4,183.49
Step by Step Solution
- Step 1: Write the proportion equation
10,184.46 : 15,276.71 = 2,788.99 : x - Step 2: Convert to fraction form
10,184.46/15,276.71 = 2,788.99/x - Step 3: Cross multiply
10,184.46x = 15,276.71 × 2,788.99 - Step 4: Simplify right side
10,184.46x = 42,606,591.42 - Step 5: Solve for x
x = 42,606,591.42/10,184.46 - Step 6: Final answer
x = 4,183.49
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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.