Home / 4,947.87-6,828.06-2,709.89

Finding the Fourth Proportional to 4,947.87, 6,828.06 and 2,709.89

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Solution

The fourth proportional to 4,947.87, 6,828.06 and 2,709.89 is: 3,739.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.87 : 6,828.06 = 2,709.89 : x
  2. Step 2: Convert to fraction form
    4,947.87/6,828.06 = 2,709.89/x
  3. Step 3: Cross multiply
    4,947.87x = 6,828.06 × 2,709.89
  4. Step 4: Simplify right side
    4,947.87x = 18,503,291.51
  5. Step 5: Solve for x
    x = 18,503,291.51/4,947.87
  6. Step 6: Final answer
    x = 3,739.65

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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.