Finding the Fourth Proportional to 4,823.64, 7,203.24 and 4,122.99
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Solution
The fourth proportional to 4,823.64, 7,203.24 and 4,122.99 is: 6,156.95
Step by Step Solution
- Step 1: Write the proportion equation
4,823.64 : 7,203.24 = 4,122.99 : x - Step 2: Convert to fraction form
4,823.64/7,203.24 = 4,122.99/x - Step 3: Cross multiply
4,823.64x = 7,203.24 × 4,122.99 - Step 4: Simplify right side
4,823.64x = 29,698,886.49 - Step 5: Solve for x
x = 29,698,886.49/4,823.64 - Step 6: Final answer
x = 6,156.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.