Home / 8,879.24-13,306.17-6,520.75

Finding the Fourth Proportional to 8,879.24, 13,306.17 and 6,520.75

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Solution

The fourth proportional to 8,879.24, 13,306.17 and 6,520.75 is: 9,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.24 : 13,306.17 = 6,520.75 : x
  2. Step 2: Convert to fraction form
    8,879.24/13,306.17 = 6,520.75/x
  3. Step 3: Cross multiply
    8,879.24x = 13,306.17 × 6,520.75
  4. Step 4: Simplify right side
    8,879.24x = 86,766,208.03
  5. Step 5: Solve for x
    x = 86,766,208.03/8,879.24
  6. Step 6: Final answer
    x = 9,771.81

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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.