Finding the Fourth Proportional to 10,540.58, 15,809.04 and 3,615.08
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Solution
The fourth proportional to 10,540.58, 15,809.04 and 3,615.08 is: 5,421.99
Step by Step Solution
- Step 1: Write the proportion equation
10,540.58 : 15,809.04 = 3,615.08 : x - Step 2: Convert to fraction form
10,540.58/15,809.04 = 3,615.08/x - Step 3: Cross multiply
10,540.58x = 15,809.04 × 3,615.08 - Step 4: Simplify right side
10,540.58x = 57,150,847.20 - Step 5: Solve for x
x = 57,150,847.20/10,540.58 - Step 6: Final answer
x = 5,421.99
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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.