Home / 8,229.99-12,345.56-2,965.67

Finding the Fourth Proportional to 8,229.99, 12,345.56 and 2,965.67

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Solution

The fourth proportional to 8,229.99, 12,345.56 and 2,965.67 is: 4,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.99 : 12,345.56 = 2,965.67 : x
  2. Step 2: Convert to fraction form
    8,229.99/12,345.56 = 2,965.67/x
  3. Step 3: Cross multiply
    8,229.99x = 12,345.56 × 2,965.67
  4. Step 4: Simplify right side
    8,229.99x = 36,612,856.93
  5. Step 5: Solve for x
    x = 36,612,856.93/8,229.99
  6. Step 6: Final answer
    x = 4,448.71

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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.