Finding the Fourth Proportional to 10,575.44, 15,859.96 and 4,418
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Solution
The fourth proportional to 10,575.44, 15,859.96 and 4,418 is: 6,625.66
Step by Step Solution
- Step 1: Write the proportion equation
10,575.44 : 15,859.96 = 4,418 : x - Step 2: Convert to fraction form
10,575.44/15,859.96 = 4,418/x - Step 3: Cross multiply
10,575.44x = 15,859.96 × 4,418 - Step 4: Simplify right side
10,575.44x = 70,069,303.28 - Step 5: Solve for x
x = 70,069,303.28/10,575.44 - Step 6: Final answer
x = 6,625.66
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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.