Home / 6,831.20-10,246.80-4,206.80

Finding the Fourth Proportional to 6,831.20, 10,246.80 and 4,206.80

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Solution

The fourth proportional to 6,831.20, 10,246.80 and 4,206.80 is: 6,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.20 : 10,246.80 = 4,206.80 : x
  2. Step 2: Convert to fraction form
    6,831.20/10,246.80 = 4,206.80/x
  3. Step 3: Cross multiply
    6,831.20x = 10,246.80 × 4,206.80
  4. Step 4: Simplify right side
    6,831.20x = 43,106,238.24
  5. Step 5: Solve for x
    x = 43,106,238.24/6,831.20
  6. Step 6: Final answer
    x = 6,310.20

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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.