Home / 7,219.86-10,831.62-2,025.74

Finding the Fourth Proportional to 7,219.86, 10,831.62 and 2,025.74

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Solution

The fourth proportional to 7,219.86, 10,831.62 and 2,025.74 is: 3,039.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.86 : 10,831.62 = 2,025.74 : x
  2. Step 2: Convert to fraction form
    7,219.86/10,831.62 = 2,025.74/x
  3. Step 3: Cross multiply
    7,219.86x = 10,831.62 × 2,025.74
  4. Step 4: Simplify right side
    7,219.86x = 21,942,045.90
  5. Step 5: Solve for x
    x = 21,942,045.90/7,219.86
  6. Step 6: Final answer
    x = 3,039.12

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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.