Home / 8,229.34-11,355.60-4,872.30

Finding the Fourth Proportional to 8,229.34, 11,355.60 and 4,872.30

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Solution

The fourth proportional to 8,229.34, 11,355.60 and 4,872.30 is: 6,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.34 : 11,355.60 = 4,872.30 : x
  2. Step 2: Convert to fraction form
    8,229.34/11,355.60 = 4,872.30/x
  3. Step 3: Cross multiply
    8,229.34x = 11,355.60 × 4,872.30
  4. Step 4: Simplify right side
    8,229.34x = 55,327,889.88
  5. Step 5: Solve for x
    x = 55,327,889.88/8,229.34
  6. Step 6: Final answer
    x = 6,723.25

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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.