Finding the Fourth Proportional to 4,965.24, 7,448.82 and 1,887
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Solution
The fourth proportional to 4,965.24, 7,448.82 and 1,887 is: 2,830.86
Step by Step Solution
- Step 1: Write the proportion equation
4,965.24 : 7,448.82 = 1,887 : x - Step 2: Convert to fraction form
4,965.24/7,448.82 = 1,887/x - Step 3: Cross multiply
4,965.24x = 7,448.82 × 1,887 - Step 4: Simplify right side
4,965.24x = 14,055,923.34 - Step 5: Solve for x
x = 14,055,923.34/4,965.24 - Step 6: Final answer
x = 2,830.86
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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.