Home / 8,245.22-11,379.14-4,709.57

Finding the Fourth Proportional to 8,245.22, 11,379.14 and 4,709.57

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Solution

The fourth proportional to 8,245.22, 11,379.14 and 4,709.57 is: 6,499.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.22 : 11,379.14 = 4,709.57 : x
  2. Step 2: Convert to fraction form
    8,245.22/11,379.14 = 4,709.57/x
  3. Step 3: Cross multiply
    8,245.22x = 11,379.14 × 4,709.57
  4. Step 4: Simplify right side
    8,245.22x = 53,590,775.93
  5. Step 5: Solve for x
    x = 53,590,775.93/8,245.22
  6. Step 6: Final answer
    x = 6,499.62

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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.