Home / 8,831.44-13,238.52-4,213.36

Finding the Fourth Proportional to 8,831.44, 13,238.52 and 4,213.36

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Solution

The fourth proportional to 8,831.44, 13,238.52 and 4,213.36 is: 6,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.44 : 13,238.52 = 4,213.36 : x
  2. Step 2: Convert to fraction form
    8,831.44/13,238.52 = 4,213.36/x
  3. Step 3: Cross multiply
    8,831.44x = 13,238.52 × 4,213.36
  4. Step 4: Simplify right side
    8,831.44x = 55,778,650.63
  5. Step 5: Solve for x
    x = 55,778,650.63/8,831.44
  6. Step 6: Final answer
    x = 6,315.92

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1.5x scale

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.