Finding the Fourth Proportional to 7,722.19, 11,597.33 and 7,408.99
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Solution
The fourth proportional to 7,722.19, 11,597.33 and 7,408.99 is: 11,126.96
Step by Step Solution
- Step 1: Write the proportion equation
7,722.19 : 11,597.33 = 7,408.99 : x - Step 2: Convert to fraction form
7,722.19/11,597.33 = 7,408.99/x - Step 3: Cross multiply
7,722.19x = 11,597.33 × 7,408.99 - Step 4: Simplify right side
7,722.19x = 85,924,502.00 - Step 5: Solve for x
x = 85,924,502.00/7,722.19 - Step 6: Final answer
x = 11,126.96
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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.