Home / 8,934.68-13,401.72-3,386.36

Finding the Fourth Proportional to 8,934.68, 13,401.72 and 3,386.36

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Solution

The fourth proportional to 8,934.68, 13,401.72 and 3,386.36 is: 5,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.68 : 13,401.72 = 3,386.36 : x
  2. Step 2: Convert to fraction form
    8,934.68/13,401.72 = 3,386.36/x
  3. Step 3: Cross multiply
    8,934.68x = 13,401.72 × 3,386.36
  4. Step 4: Simplify right side
    8,934.68x = 45,383,048.54
  5. Step 5: Solve for x
    x = 45,383,048.54/8,934.68
  6. Step 6: Final answer
    x = 5,079.43

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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.