Home / 4,939.53-6,817.20-2,815.83

Finding the Fourth Proportional to 4,939.53, 6,817.20 and 2,815.83

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Solution

The fourth proportional to 4,939.53, 6,817.20 and 2,815.83 is: 3,886.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.53 : 6,817.20 = 2,815.83 : x
  2. Step 2: Convert to fraction form
    4,939.53/6,817.20 = 2,815.83/x
  3. Step 3: Cross multiply
    4,939.53x = 6,817.20 × 2,815.83
  4. Step 4: Simplify right side
    4,939.53x = 19,196,076.28
  5. Step 5: Solve for x
    x = 19,196,076.28/4,939.53
  6. Step 6: Final answer
    x = 3,886.22

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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.