Finding the Fourth Proportional to 7,635.18, 11,432.24 and 4,846.75
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Solution
The fourth proportional to 7,635.18, 11,432.24 and 4,846.75 is: 7,257.09
Step by Step Solution
- Step 1: Write the proportion equation
7,635.18 : 11,432.24 = 4,846.75 : x - Step 2: Convert to fraction form
7,635.18/11,432.24 = 4,846.75/x - Step 3: Cross multiply
7,635.18x = 11,432.24 × 4,846.75 - Step 4: Simplify right side
7,635.18x = 55,409,184.99 - Step 5: Solve for x
x = 55,409,184.99/7,635.18 - Step 6: Final answer
x = 7,257.09
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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.