Finding the Fourth Proportional to 8,681.68, 13,000.44 and 6,332.08
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Solution
The fourth proportional to 8,681.68, 13,000.44 and 6,332.08 is: 9,482.02
Step by Step Solution
- Step 1: Write the proportion equation
8,681.68 : 13,000.44 = 6,332.08 : x - Step 2: Convert to fraction form
8,681.68/13,000.44 = 6,332.08/x - Step 3: Cross multiply
8,681.68x = 13,000.44 × 6,332.08 - Step 4: Simplify right side
8,681.68x = 82,319,826.12 - Step 5: Solve for x
x = 82,319,826.12/8,681.68 - Step 6: Final answer
x = 9,482.02
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1.5x scale
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.