Home / 4,939.63-6,819.16-3,818.03

Finding the Fourth Proportional to 4,939.63, 6,819.16 and 3,818.03

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Solution

The fourth proportional to 4,939.63, 6,819.16 and 3,818.03 is: 5,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.63 : 6,819.16 = 3,818.03 : x
  2. Step 2: Convert to fraction form
    4,939.63/6,819.16 = 3,818.03/x
  3. Step 3: Cross multiply
    4,939.63x = 6,819.16 × 3,818.03
  4. Step 4: Simplify right side
    4,939.63x = 26,035,713.81
  5. Step 5: Solve for x
    x = 26,035,713.81/4,939.63
  6. Step 6: Final answer
    x = 5,270.78

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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.