Home / 8,245.33-11,379.12-4,659.05

Finding the Fourth Proportional to 8,245.33, 11,379.12 and 4,659.05

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Solution

The fourth proportional to 8,245.33, 11,379.12 and 4,659.05 is: 6,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.33 : 11,379.12 = 4,659.05 : x
  2. Step 2: Convert to fraction form
    8,245.33/11,379.12 = 4,659.05/x
  3. Step 3: Cross multiply
    8,245.33x = 11,379.12 × 4,659.05
  4. Step 4: Simplify right side
    8,245.33x = 53,015,889.04
  5. Step 5: Solve for x
    x = 53,015,889.04/8,245.33
  6. Step 6: Final answer
    x = 6,429.81

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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.