Finding the Fourth Proportional to 7,635.88, 10,542.68 and 4,768.99
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Solution
The fourth proportional to 7,635.88, 10,542.68 and 4,768.99 is: 6,584.43
Step by Step Solution
- Step 1: Write the proportion equation
7,635.88 : 10,542.68 = 4,768.99 : x - Step 2: Convert to fraction form
7,635.88/10,542.68 = 4,768.99/x - Step 3: Cross multiply
7,635.88x = 10,542.68 × 4,768.99 - Step 4: Simplify right side
7,635.88x = 50,277,903.18 - Step 5: Solve for x
x = 50,277,903.18/7,635.88 - Step 6: Final answer
x = 6,584.43
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1.5x scale
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.