Finding the Fourth Proportional to 4,489.18, 6,194.74 and 2,499.65
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Solution
The fourth proportional to 4,489.18, 6,194.74 and 2,499.65 is: 3,449.33
Step by Step Solution
- Step 1: Write the proportion equation
4,489.18 : 6,194.74 = 2,499.65 : x - Step 2: Convert to fraction form
4,489.18/6,194.74 = 2,499.65/x - Step 3: Cross multiply
4,489.18x = 6,194.74 × 2,499.65 - Step 4: Simplify right side
4,489.18x = 15,484,681.84 - Step 5: Solve for x
x = 15,484,681.84/4,489.18 - Step 6: Final answer
x = 3,449.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.