Home / 6,831.67-9,426.36-3,847.63

Finding the Fourth Proportional to 6,831.67, 9,426.36 and 3,847.63

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Solution

The fourth proportional to 6,831.67, 9,426.36 and 3,847.63 is: 5,308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.67 : 9,426.36 = 3,847.63 : x
  2. Step 2: Convert to fraction form
    6,831.67/9,426.36 = 3,847.63/x
  3. Step 3: Cross multiply
    6,831.67x = 9,426.36 × 3,847.63
  4. Step 4: Simplify right side
    6,831.67x = 36,269,145.53
  5. Step 5: Solve for x
    x = 36,269,145.53/6,831.67
  6. Step 6: Final answer
    x = 5,308.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.