Finding the Fourth Proportional to 4,988.95, 6,884.47 and 2,750.44
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Solution
The fourth proportional to 4,988.95, 6,884.47 and 2,750.44 is: 3,795.45
Step by Step Solution
- Step 1: Write the proportion equation
4,988.95 : 6,884.47 = 2,750.44 : x - Step 2: Convert to fraction form
4,988.95/6,884.47 = 2,750.44/x - Step 3: Cross multiply
4,988.95x = 6,884.47 × 2,750.44 - Step 4: Simplify right side
4,988.95x = 18,935,297.58 - Step 5: Solve for x
x = 18,935,297.58/4,988.95 - Step 6: Final answer
x = 3,795.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.