Finding the Fourth Proportional to 4,988.19, 6,883.65 and 2,750.07
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Solution
The fourth proportional to 4,988.19, 6,883.65 and 2,750.07 is: 3,795.07
Step by Step Solution
- Step 1: Write the proportion equation
4,988.19 : 6,883.65 = 2,750.07 : x - Step 2: Convert to fraction form
4,988.19/6,883.65 = 2,750.07/x - Step 3: Cross multiply
4,988.19x = 6,883.65 × 2,750.07 - Step 4: Simplify right side
4,988.19x = 18,930,519.36 - Step 5: Solve for x
x = 18,930,519.36/4,988.19 - Step 6: Final answer
x = 3,795.07
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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.