Home / 8,212.60-11,333.90-4,676.12

Finding the Fourth Proportional to 8,212.60, 11,333.90 and 4,676.12

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Solution

The fourth proportional to 8,212.60, 11,333.90 and 4,676.12 is: 6,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.60 : 11,333.90 = 4,676.12 : x
  2. Step 2: Convert to fraction form
    8,212.60/11,333.90 = 4,676.12/x
  3. Step 3: Cross multiply
    8,212.60x = 11,333.90 × 4,676.12
  4. Step 4: Simplify right side
    8,212.60x = 52,998,676.47
  5. Step 5: Solve for x
    x = 52,998,676.47/8,212.60
  6. Step 6: Final answer
    x = 6,453.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.