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Finding the Fourth Proportional to 4,879.86, 6,733.96 and 2,755.63

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Solution

The fourth proportional to 4,879.86, 6,733.96 and 2,755.63 is: 3,802.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.86 : 6,733.96 = 2,755.63 : x
  2. Step 2: Convert to fraction form
    4,879.86/6,733.96 = 2,755.63/x
  3. Step 3: Cross multiply
    4,879.86x = 6,733.96 × 2,755.63
  4. Step 4: Simplify right side
    4,879.86x = 18,556,302.19
  5. Step 5: Solve for x
    x = 18,556,302.19/4,879.86
  6. Step 6: Final answer
    x = 3,802.63

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1.5x scale

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.