Finding the Fourth Proportional to 6,455.99, 9,683.87 and 1,775.99
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Solution
The fourth proportional to 6,455.99, 9,683.87 and 1,775.99 is: 2,663.95
Step by Step Solution
- Step 1: Write the proportion equation
6,455.99 : 9,683.87 = 1,775.99 : x - Step 2: Convert to fraction form
6,455.99/9,683.87 = 1,775.99/x - Step 3: Cross multiply
6,455.99x = 9,683.87 × 1,775.99 - Step 4: Simplify right side
6,455.99x = 17,198,471.61 - Step 5: Solve for x
x = 17,198,471.61/6,455.99 - Step 6: Final answer
x = 2,663.95
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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.