Finding the Fourth Proportional to 5,980, 8,971.44 and 1,876
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Solution
The fourth proportional to 5,980, 8,971.44 and 1,876 is: 2,814.45
Step by Step Solution
- Step 1: Write the proportion equation
5,980 : 8,971.44 = 1,876 : x - Step 2: Convert to fraction form
5,980/8,971.44 = 1,876/x - Step 3: Cross multiply
5,980x = 8,971.44 × 1,876 - Step 4: Simplify right side
5,980x = 16,830,421.44 - Step 5: Solve for x
x = 16,830,421.44/5,980 - Step 6: Final answer
x = 2,814.45
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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.