Home / 4,719.87-7,083.45-1,947.85

Finding the Fourth Proportional to 4,719.87, 7,083.45 and 1,947.85

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Solution

The fourth proportional to 4,719.87, 7,083.45 and 1,947.85 is: 2,923.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.87 : 7,083.45 = 1,947.85 : x
  2. Step 2: Convert to fraction form
    4,719.87/7,083.45 = 1,947.85/x
  3. Step 3: Cross multiply
    4,719.87x = 7,083.45 × 1,947.85
  4. Step 4: Simplify right side
    4,719.87x = 13,797,480.37
  5. Step 5: Solve for x
    x = 13,797,480.37/4,719.87
  6. Step 6: Final answer
    x = 2,923.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.