Home / 8,299.27-12,451.22-3,619.69

Finding the Fourth Proportional to 8,299.27, 12,451.22 and 3,619.69

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Solution

The fourth proportional to 8,299.27, 12,451.22 and 3,619.69 is: 5,430.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.27 : 12,451.22 = 3,619.69 : x
  2. Step 2: Convert to fraction form
    8,299.27/12,451.22 = 3,619.69/x
  3. Step 3: Cross multiply
    8,299.27x = 12,451.22 × 3,619.69
  4. Step 4: Simplify right side
    8,299.27x = 45,069,556.52
  5. Step 5: Solve for x
    x = 45,069,556.52/8,299.27
  6. Step 6: Final answer
    x = 5,430.54

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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.