Finding the Fourth Proportional to 8,597.89, 12,896.86 and 2,357.99
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Solution
The fourth proportional to 8,597.89, 12,896.86 and 2,357.99 is: 3,536.99
Step by Step Solution
- Step 1: Write the proportion equation
8,597.89 : 12,896.86 = 2,357.99 : x - Step 2: Convert to fraction form
8,597.89/12,896.86 = 2,357.99/x - Step 3: Cross multiply
8,597.89x = 12,896.86 × 2,357.99 - Step 4: Simplify right side
8,597.89x = 30,410,666.91 - Step 5: Solve for x
x = 30,410,666.91/8,597.89 - Step 6: Final answer
x = 3,536.99
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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.