Home / 4,161.81-6,243.53-1,388.44

Finding the Fourth Proportional to 4,161.81, 6,243.53 and 1,388.44

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Solution

The fourth proportional to 4,161.81, 6,243.53 and 1,388.44 is: 2,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.81 : 6,243.53 = 1,388.44 : x
  2. Step 2: Convert to fraction form
    4,161.81/6,243.53 = 1,388.44/x
  3. Step 3: Cross multiply
    4,161.81x = 6,243.53 × 1,388.44
  4. Step 4: Simplify right side
    4,161.81x = 8,668,766.79
  5. Step 5: Solve for x
    x = 8,668,766.79/4,161.81
  6. Step 6: Final answer
    x = 2,082.93

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1.5x scale

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.