Home / 7,226.42-10,831.37-3,280.68

Finding the Fourth Proportional to 7,226.42, 10,831.37 and 3,280.68

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Solution

The fourth proportional to 7,226.42, 10,831.37 and 3,280.68 is: 4,917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.42 : 10,831.37 = 3,280.68 : x
  2. Step 2: Convert to fraction form
    7,226.42/10,831.37 = 3,280.68/x
  3. Step 3: Cross multiply
    7,226.42x = 10,831.37 × 3,280.68
  4. Step 4: Simplify right side
    7,226.42x = 35,534,242.53
  5. Step 5: Solve for x
    x = 35,534,242.53/7,226.42
  6. Step 6: Final answer
    x = 4,917.27

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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.