Finding the Fourth Proportional to 7,884.96, 11,808.99 and 6,230.40
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Solution
The fourth proportional to 7,884.96, 11,808.99 and 6,230.40 is: 9,331.02
Step by Step Solution
- Step 1: Write the proportion equation
7,884.96 : 11,808.99 = 6,230.40 : x - Step 2: Convert to fraction form
7,884.96/11,808.99 = 6,230.40/x - Step 3: Cross multiply
7,884.96x = 11,808.99 × 6,230.40 - Step 4: Simplify right side
7,884.96x = 73,574,731.30 - Step 5: Solve for x
x = 73,574,731.30/7,884.96 - Step 6: Final answer
x = 9,331.02
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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.