Finding the Fourth Proportional to 5,535.74, 8,307.56 and 3,072.53
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Solution
The fourth proportional to 5,535.74, 8,307.56 and 3,072.53 is: 4,610.99
Step by Step Solution
- Step 1: Write the proportion equation
5,535.74 : 8,307.56 = 3,072.53 : x - Step 2: Convert to fraction form
5,535.74/8,307.56 = 3,072.53/x - Step 3: Cross multiply
5,535.74x = 8,307.56 × 3,072.53 - Step 4: Simplify right side
5,535.74x = 25,525,255.78 - Step 5: Solve for x
x = 25,525,255.78/5,535.74 - Step 6: Final answer
x = 4,610.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.