Finding the Fourth Proportional to 5,634, 8,454.84 and 1,986
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Solution
The fourth proportional to 5,634, 8,454.84 and 1,986 is: 2,980.35
Step by Step Solution
- Step 1: Write the proportion equation
5,634 : 8,454.84 = 1,986 : x - Step 2: Convert to fraction form
5,634/8,454.84 = 1,986/x - Step 3: Cross multiply
5,634x = 8,454.84 × 1,986 - Step 4: Simplify right side
5,634x = 16,791,312.24 - Step 5: Solve for x
x = 16,791,312.24/5,634 - Step 6: Final answer
x = 2,980.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.