Home / 4,831.45-7,245.05-2,492.78

Finding the Fourth Proportional to 4,831.45, 7,245.05 and 2,492.78

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Solution

The fourth proportional to 4,831.45, 7,245.05 and 2,492.78 is: 3,738.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.45 : 7,245.05 = 2,492.78 : x
  2. Step 2: Convert to fraction form
    4,831.45/7,245.05 = 2,492.78/x
  3. Step 3: Cross multiply
    4,831.45x = 7,245.05 × 2,492.78
  4. Step 4: Simplify right side
    4,831.45x = 18,060,267.05
  5. Step 5: Solve for x
    x = 18,060,267.05/4,831.45
  6. Step 6: Final answer
    x = 3,738.07

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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.