Home / 4,571.41-6,858.66-1,938.81

Finding the Fourth Proportional to 4,571.41, 6,858.66 and 1,938.81

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Solution

The fourth proportional to 4,571.41, 6,858.66 and 1,938.81 is: 2,908.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,571.41 : 6,858.66 = 1,938.81 : x
  2. Step 2: Convert to fraction form
    4,571.41/6,858.66 = 1,938.81/x
  3. Step 3: Cross multiply
    4,571.41x = 6,858.66 × 1,938.81
  4. Step 4: Simplify right side
    4,571.41x = 13,297,649.57
  5. Step 5: Solve for x
    x = 13,297,649.57/4,571.41
  6. Step 6: Final answer
    x = 2,908.87

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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.