Finding the Fourth Proportional to 7,429.19, 11,143.99 and 2,163.99
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Solution
The fourth proportional to 7,429.19, 11,143.99 and 2,163.99 is: 3,246.04
Step by Step Solution
- Step 1: Write the proportion equation
7,429.19 : 11,143.99 = 2,163.99 : x - Step 2: Convert to fraction form
7,429.19/11,143.99 = 2,163.99/x - Step 3: Cross multiply
7,429.19x = 11,143.99 × 2,163.99 - Step 4: Simplify right side
7,429.19x = 24,115,482.92 - Step 5: Solve for x
x = 24,115,482.92/7,429.19 - Step 6: Final answer
x = 3,246.04
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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.