Home / 8,917.20-13,373.22-2,676.96

Finding the Fourth Proportional to 8,917.20, 13,373.22 and 2,676.96

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Solution

The fourth proportional to 8,917.20, 13,373.22 and 2,676.96 is: 4,014.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.20 : 13,373.22 = 2,676.96 : x
  2. Step 2: Convert to fraction form
    8,917.20/13,373.22 = 2,676.96/x
  3. Step 3: Cross multiply
    8,917.20x = 13,373.22 × 2,676.96
  4. Step 4: Simplify right side
    8,917.20x = 35,799,575.01
  5. Step 5: Solve for x
    x = 35,799,575.01/8,917.20
  6. Step 6: Final answer
    x = 4,014.67

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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.