Home / 4,831.44-7,245.91-1,909.77

Finding the Fourth Proportional to 4,831.44, 7,245.91 and 1,909.77

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Solution

The fourth proportional to 4,831.44, 7,245.91 and 1,909.77 is: 2,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.44 : 7,245.91 = 1,909.77 : x
  2. Step 2: Convert to fraction form
    4,831.44/7,245.91 = 1,909.77/x
  3. Step 3: Cross multiply
    4,831.44x = 7,245.91 × 1,909.77
  4. Step 4: Simplify right side
    4,831.44x = 13,838,021.54
  5. Step 5: Solve for x
    x = 13,838,021.54/4,831.44
  6. Step 6: Final answer
    x = 2,864.16

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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.