Home / 4,828.20-6,664.50-2,838.66

Finding the Fourth Proportional to 4,828.20, 6,664.50 and 2,838.66

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Solution

The fourth proportional to 4,828.20, 6,664.50 and 2,838.66 is: 3,918.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.20 : 6,664.50 = 2,838.66 : x
  2. Step 2: Convert to fraction form
    4,828.20/6,664.50 = 2,838.66/x
  3. Step 3: Cross multiply
    4,828.20x = 6,664.50 × 2,838.66
  4. Step 4: Simplify right side
    4,828.20x = 18,918,249.57
  5. Step 5: Solve for x
    x = 18,918,249.57/4,828.20
  6. Step 6: Final answer
    x = 3,918.28

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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.