Finding the Fourth Proportional to 4,368, 6,553.08 and 1,290
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Solution
The fourth proportional to 4,368, 6,553.08 and 1,290 is: 1,935.32
Step by Step Solution
- Step 1: Write the proportion equation
4,368 : 6,553.08 = 1,290 : x - Step 2: Convert to fraction form
4,368/6,553.08 = 1,290/x - Step 3: Cross multiply
4,368x = 6,553.08 × 1,290 - Step 4: Simplify right side
4,368x = 8,453,473.20 - Step 5: Solve for x
x = 8,453,473.20/4,368 - Step 6: Final answer
x = 1,935.32
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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.