Home / 4,831.30-7,247.88-2,057.92

Finding the Fourth Proportional to 4,831.30, 7,247.88 and 2,057.92

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Solution

The fourth proportional to 4,831.30, 7,247.88 and 2,057.92 is: 3,087.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.30 : 7,247.88 = 2,057.92 : x
  2. Step 2: Convert to fraction form
    4,831.30/7,247.88 = 2,057.92/x
  3. Step 3: Cross multiply
    4,831.30x = 7,247.88 × 2,057.92
  4. Step 4: Simplify right side
    4,831.30x = 14,915,557.21
  5. Step 5: Solve for x
    x = 14,915,557.21/4,831.30
  6. Step 6: Final answer
    x = 3,087.28

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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.