Finding the Fourth Proportional to 4,065.99, 6,098.99 and 987.99
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Solution
The fourth proportional to 4,065.99, 6,098.99 and 987.99 is: 1,481.99
Step by Step Solution
- Step 1: Write the proportion equation
4,065.99 : 6,098.99 = 987.99 : x - Step 2: Convert to fraction form
4,065.99/6,098.99 = 987.99/x - Step 3: Cross multiply
4,065.99x = 6,098.99 × 987.99 - Step 4: Simplify right side
4,065.99x = 6,025,736.19 - Step 5: Solve for x
x = 6,025,736.19/4,065.99 - Step 6: Final answer
x = 1,481.99
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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.