Home / 8,379.24-12,571.20-2,535.90

Finding the Fourth Proportional to 8,379.24, 12,571.20 and 2,535.90

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Solution

The fourth proportional to 8,379.24, 12,571.20 and 2,535.90 is: 3,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.24 : 12,571.20 = 2,535.90 : x
  2. Step 2: Convert to fraction form
    8,379.24/12,571.20 = 2,535.90/x
  3. Step 3: Cross multiply
    8,379.24x = 12,571.20 × 2,535.90
  4. Step 4: Simplify right side
    8,379.24x = 31,879,306.08
  5. Step 5: Solve for x
    x = 31,879,306.08/8,379.24
  6. Step 6: Final answer
    x = 3,804.56

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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.