Home / 8,212.95-11,334.12-4,676.37

Finding the Fourth Proportional to 8,212.95, 11,334.12 and 4,676.37

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Solution

The fourth proportional to 8,212.95, 11,334.12 and 4,676.37 is: 6,453.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.95 : 11,334.12 = 4,676.37 : x
  2. Step 2: Convert to fraction form
    8,212.95/11,334.12 = 4,676.37/x
  3. Step 3: Cross multiply
    8,212.95x = 11,334.12 × 4,676.37
  4. Step 4: Simplify right side
    8,212.95x = 53,002,538.74
  5. Step 5: Solve for x
    x = 53,002,538.74/8,212.95
  6. Step 6: Final answer
    x = 6,453.53

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Half scale
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Double 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.