Finding the Fourth Proportional to 4,988.97, 6,885.09 and 2,750.84
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Solution
The fourth proportional to 4,988.97, 6,885.09 and 2,750.84 is: 3,796.33
Step by Step Solution
- Step 1: Write the proportion equation
4,988.97 : 6,885.09 = 2,750.84 : x - Step 2: Convert to fraction form
4,988.97/6,885.09 = 2,750.84/x - Step 3: Cross multiply
4,988.97x = 6,885.09 × 2,750.84 - Step 4: Simplify right side
4,988.97x = 18,939,774.10 - Step 5: Solve for x
x = 18,939,774.10/4,988.97 - Step 6: Final answer
x = 3,796.33
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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.