Finding the Fourth Proportional to 4,692.91, 6,474.99 and 2,803.66
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Solution
The fourth proportional to 4,692.91, 6,474.99 and 2,803.66 is: 3,868.32
Step by Step Solution
- Step 1: Write the proportion equation
4,692.91 : 6,474.99 = 2,803.66 : x - Step 2: Convert to fraction form
4,692.91/6,474.99 = 2,803.66/x - Step 3: Cross multiply
4,692.91x = 6,474.99 × 2,803.66 - Step 4: Simplify right side
4,692.91x = 18,153,670.46 - Step 5: Solve for x
x = 18,153,670.46/4,692.91 - Step 6: Final answer
x = 3,868.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.