Finding the Fourth Proportional to 4,998, 7,497.36 and 1,920
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Solution
The fourth proportional to 4,998, 7,497.36 and 1,920 is: 2,880.14
Step by Step Solution
- Step 1: Write the proportion equation
4,998 : 7,497.36 = 1,920 : x - Step 2: Convert to fraction form
4,998/7,497.36 = 1,920/x - Step 3: Cross multiply
4,998x = 7,497.36 × 1,920 - Step 4: Simplify right side
4,998x = 14,394,931.20 - Step 5: Solve for x
x = 14,394,931.20/4,998 - Step 6: Final answer
x = 2,880.14
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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.