Home / 6,831.43-10,247.10-3,907.66

Finding the Fourth Proportional to 6,831.43, 10,247.10 and 3,907.66

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Solution

The fourth proportional to 6,831.43, 10,247.10 and 3,907.66 is: 5,861.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.43 : 10,247.10 = 3,907.66 : x
  2. Step 2: Convert to fraction form
    6,831.43/10,247.10 = 3,907.66/x
  3. Step 3: Cross multiply
    6,831.43x = 10,247.10 × 3,907.66
  4. Step 4: Simplify right side
    6,831.43x = 40,042,182.79
  5. Step 5: Solve for x
    x = 40,042,182.79/6,831.43
  6. Step 6: Final answer
    x = 5,861.46

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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.