Home / 4,831.25-7,245.43-1,869.17

Finding the Fourth Proportional to 4,831.25, 7,245.43 and 1,869.17

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Solution

The fourth proportional to 4,831.25, 7,245.43 and 1,869.17 is: 2,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.25 : 7,245.43 = 1,869.17 : x
  2. Step 2: Convert to fraction form
    4,831.25/7,245.43 = 1,869.17/x
  3. Step 3: Cross multiply
    4,831.25x = 7,245.43 × 1,869.17
  4. Step 4: Simplify right side
    4,831.25x = 13,542,940.39
  5. Step 5: Solve for x
    x = 13,542,940.39/4,831.25
  6. Step 6: Final answer
    x = 2,803.20

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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.