Finding the Fourth Proportional to 4,984, 6,877.92 and 2,776
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Solution
The fourth proportional to 4,984, 6,877.92 and 2,776 is: 3,830.88
Step by Step Solution
- Step 1: Write the proportion equation
4,984 : 6,877.92 = 2,776 : x - Step 2: Convert to fraction form
4,984/6,877.92 = 2,776/x - Step 3: Cross multiply
4,984x = 6,877.92 × 2,776 - Step 4: Simplify right side
4,984x = 19,093,105.92 - Step 5: Solve for x
x = 19,093,105.92/4,984 - Step 6: Final answer
x = 3,830.88
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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.