Home / 4,969.87-6,858.08-2,731.69

Finding the Fourth Proportional to 4,969.87, 6,858.08 and 2,731.69

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Solution

The fourth proportional to 4,969.87, 6,858.08 and 2,731.69 is: 3,769.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.87 : 6,858.08 = 2,731.69 : x
  2. Step 2: Convert to fraction form
    4,969.87/6,858.08 = 2,731.69/x
  3. Step 3: Cross multiply
    4,969.87x = 6,858.08 × 2,731.69
  4. Step 4: Simplify right side
    4,969.87x = 18,734,134.90
  5. Step 5: Solve for x
    x = 18,734,134.90/4,969.87
  6. Step 6: Final answer
    x = 3,769.54

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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.