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Finding the Fourth Proportional to 4,843.19, 6,640.07 and 4,755.71

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Solution

The fourth proportional to 4,843.19, 6,640.07 and 4,755.71 is: 6,520.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,843.19 : 6,640.07 = 4,755.71 : x
  2. Step 2: Convert to fraction form
    4,843.19/6,640.07 = 4,755.71/x
  3. Step 3: Cross multiply
    4,843.19x = 6,640.07 × 4,755.71
  4. Step 4: Simplify right side
    4,843.19x = 31,578,190.32
  5. Step 5: Solve for x
    x = 31,578,190.32/4,843.19
  6. Step 6: Final answer
    x = 6,520.13

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.