Home / 8,831.85-13,244.28-3,898

Finding the Fourth Proportional to 8,831.85, 13,244.28 and 3,898

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Solution

The fourth proportional to 8,831.85, 13,244.28 and 3,898 is: 5,845.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.85 : 13,244.28 = 3,898 : x
  2. Step 2: Convert to fraction form
    8,831.85/13,244.28 = 3,898/x
  3. Step 3: Cross multiply
    8,831.85x = 13,244.28 × 3,898
  4. Step 4: Simplify right side
    8,831.85x = 51,626,203.44
  5. Step 5: Solve for x
    x = 51,626,203.44/8,831.85
  6. Step 6: Final answer
    x = 5,845.46

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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.