Finding the Fourth Proportional to 7,883.46, 11,825.10 and 2,952.99
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Solution
The fourth proportional to 7,883.46, 11,825.10 and 2,952.99 is: 4,429.45
Step by Step Solution
- Step 1: Write the proportion equation
7,883.46 : 11,825.10 = 2,952.99 : x - Step 2: Convert to fraction form
7,883.46/11,825.10 = 2,952.99/x - Step 3: Cross multiply
7,883.46x = 11,825.10 × 2,952.99 - Step 4: Simplify right side
7,883.46x = 34,919,402.05 - Step 5: Solve for x
x = 34,919,402.05/7,883.46 - Step 6: Final answer
x = 4,429.45
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1.5x scale
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.