Finding the Fourth Proportional to 5,620, 8,429.96 and 1,460
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Solution
The fourth proportional to 5,620, 8,429.96 and 1,460 is: 2,189.99
Step by Step Solution
- Step 1: Write the proportion equation
5,620 : 8,429.96 = 1,460 : x - Step 2: Convert to fraction form
5,620/8,429.96 = 1,460/x - Step 3: Cross multiply
5,620x = 8,429.96 × 1,460 - Step 4: Simplify right side
5,620x = 12,307,741.60 - Step 5: Solve for x
x = 12,307,741.60/5,620 - Step 6: Final answer
x = 2,189.99
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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.