Home / 4,969.59-6,857.89-2,731.69

Finding the Fourth Proportional to 4,969.59, 6,857.89 and 2,731.69

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Solution

The fourth proportional to 4,969.59, 6,857.89 and 2,731.69 is: 3,769.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.59 : 6,857.89 = 2,731.69 : x
  2. Step 2: Convert to fraction form
    4,969.59/6,857.89 = 2,731.69/x
  3. Step 3: Cross multiply
    4,969.59x = 6,857.89 × 2,731.69
  4. Step 4: Simplify right side
    4,969.59x = 18,733,629.53
  5. Step 5: Solve for x
    x = 18,733,629.53/4,969.59
  6. Step 6: Final answer
    x = 3,769.65

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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.