Home / 6,831.28-10,230.12-4,358.80

Finding the Fourth Proportional to 6,831.28, 10,230.12 and 4,358.80

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Solution

The fourth proportional to 6,831.28, 10,230.12 and 4,358.80 is: 6,527.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.28 : 10,230.12 = 4,358.80 : x
  2. Step 2: Convert to fraction form
    6,831.28/10,230.12 = 4,358.80/x
  3. Step 3: Cross multiply
    6,831.28x = 10,230.12 × 4,358.80
  4. Step 4: Simplify right side
    6,831.28x = 44,591,047.06
  5. Step 5: Solve for x
    x = 44,591,047.06/6,831.28
  6. Step 6: Final answer
    x = 6,527.48

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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.