Home / 8,213.34-11,334.36-4,676.76

Finding the Fourth Proportional to 8,213.34, 11,334.36 and 4,676.76

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Solution

The fourth proportional to 8,213.34, 11,334.36 and 4,676.76 is: 6,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.34 : 11,334.36 = 4,676.76 : x
  2. Step 2: Convert to fraction form
    8,213.34/11,334.36 = 4,676.76/x
  3. Step 3: Cross multiply
    8,213.34x = 11,334.36 × 4,676.76
  4. Step 4: Simplify right side
    8,213.34x = 53,008,081.47
  5. Step 5: Solve for x
    x = 53,008,081.47/8,213.34
  6. Step 6: Final answer
    x = 6,453.90

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Half scale
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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.