Home / 8,738.46-13,107.51-2,164.68

Finding the Fourth Proportional to 8,738.46, 13,107.51 and 2,164.68

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Solution

The fourth proportional to 8,738.46, 13,107.51 and 2,164.68 is: 3,246.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.46 : 13,107.51 = 2,164.68 : x
  2. Step 2: Convert to fraction form
    8,738.46/13,107.51 = 2,164.68/x
  3. Step 3: Cross multiply
    8,738.46x = 13,107.51 × 2,164.68
  4. Step 4: Simplify right side
    8,738.46x = 28,373,564.75
  5. Step 5: Solve for x
    x = 28,373,564.75/8,738.46
  6. Step 6: Final answer
    x = 3,246.98

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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.