Home / 4,138.46-6,210.42-1,947.81

Finding the Fourth Proportional to 4,138.46, 6,210.42 and 1,947.81

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Solution

The fourth proportional to 4,138.46, 6,210.42 and 1,947.81 is: 2,923.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.46 : 6,210.42 = 1,947.81 : x
  2. Step 2: Convert to fraction form
    4,138.46/6,210.42 = 1,947.81/x
  3. Step 3: Cross multiply
    4,138.46x = 6,210.42 × 1,947.81
  4. Step 4: Simplify right side
    4,138.46x = 12,096,745.12
  5. Step 5: Solve for x
    x = 12,096,745.12/4,138.46
  6. Step 6: Final answer
    x = 2,923.01

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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.