Home / 8,222.81-12,334.36-2,676.13

Finding the Fourth Proportional to 8,222.81, 12,334.36 and 2,676.13

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Solution

The fourth proportional to 8,222.81, 12,334.36 and 2,676.13 is: 4,014.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.81 : 12,334.36 = 2,676.13 : x
  2. Step 2: Convert to fraction form
    8,222.81/12,334.36 = 2,676.13/x
  3. Step 3: Cross multiply
    8,222.81x = 12,334.36 × 2,676.13
  4. Step 4: Simplify right side
    8,222.81x = 33,008,313.30
  5. Step 5: Solve for x
    x = 33,008,313.30/8,222.81
  6. Step 6: Final answer
    x = 4,014.24

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1.5x scale

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.