Home / 7,214.28-10,814.73-2,831.77

Finding the Fourth Proportional to 7,214.28, 10,814.73 and 2,831.77

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Solution

The fourth proportional to 7,214.28, 10,814.73 and 2,831.77 is: 4,245.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.28 : 10,814.73 = 2,831.77 : x
  2. Step 2: Convert to fraction form
    7,214.28/10,814.73 = 2,831.77/x
  3. Step 3: Cross multiply
    7,214.28x = 10,814.73 × 2,831.77
  4. Step 4: Simplify right side
    7,214.28x = 30,624,827.97
  5. Step 5: Solve for x
    x = 30,624,827.97/7,214.28
  6. Step 6: Final answer
    x = 4,245.03

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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.