Finding the Fourth Proportional to 6,860.24, 10,287.44 and 2,178.99
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Solution
The fourth proportional to 6,860.24, 10,287.44 and 2,178.99 is: 3,267.57
Step by Step Solution
- Step 1: Write the proportion equation
6,860.24 : 10,287.44 = 2,178.99 : x - Step 2: Convert to fraction form
6,860.24/10,287.44 = 2,178.99/x - Step 3: Cross multiply
6,860.24x = 10,287.44 × 2,178.99 - Step 4: Simplify right side
6,860.24x = 22,416,285.99 - Step 5: Solve for x
x = 22,416,285.99/6,860.24 - Step 6: Final answer
x = 3,267.57
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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.