Home / 4,140.26-6,212.39-1,831.46

Finding the Fourth Proportional to 4,140.26, 6,212.39 and 1,831.46

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Solution

The fourth proportional to 4,140.26, 6,212.39 and 1,831.46 is: 2,748.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.26 : 6,212.39 = 1,831.46 : x
  2. Step 2: Convert to fraction form
    4,140.26/6,212.39 = 1,831.46/x
  3. Step 3: Cross multiply
    4,140.26x = 6,212.39 × 1,831.46
  4. Step 4: Simplify right side
    4,140.26x = 11,377,743.79
  5. Step 5: Solve for x
    x = 11,377,743.79/4,140.26
  6. Step 6: Final answer
    x = 2,748.07

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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.