Home / 8,936.22-13,390.46-3,386.58

Finding the Fourth Proportional to 8,936.22, 13,390.46 and 3,386.58

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Solution

The fourth proportional to 8,936.22, 13,390.46 and 3,386.58 is: 5,074.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.22 : 13,390.46 = 3,386.58 : x
  2. Step 2: Convert to fraction form
    8,936.22/13,390.46 = 3,386.58/x
  3. Step 3: Cross multiply
    8,936.22x = 13,390.46 × 3,386.58
  4. Step 4: Simplify right side
    8,936.22x = 45,347,864.03
  5. Step 5: Solve for x
    x = 45,347,864.03/8,936.22
  6. Step 6: Final answer
    x = 5,074.61

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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.