Finding the Fourth Proportional to 4,659.99, 6,989.98 and 1,149.99
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Solution
The fourth proportional to 4,659.99, 6,989.98 and 1,149.99 is: 1,724.98
Step by Step Solution
- Step 1: Write the proportion equation
4,659.99 : 6,989.98 = 1,149.99 : x - Step 2: Convert to fraction form
4,659.99/6,989.98 = 1,149.99/x - Step 3: Cross multiply
4,659.99x = 6,989.98 × 1,149.99 - Step 4: Simplify right side
4,659.99x = 8,038,407.10 - Step 5: Solve for x
x = 8,038,407.10/4,659.99 - Step 6: Final answer
x = 1,724.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.