Home / 8,170.24-12,259.41-3,239.77

Finding the Fourth Proportional to 8,170.24, 12,259.41 and 3,239.77

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Solution

The fourth proportional to 8,170.24, 12,259.41 and 3,239.77 is: 4,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.24 : 12,259.41 = 3,239.77 : x
  2. Step 2: Convert to fraction form
    8,170.24/12,259.41 = 3,239.77/x
  3. Step 3: Cross multiply
    8,170.24x = 12,259.41 × 3,239.77
  4. Step 4: Simplify right side
    8,170.24x = 39,717,668.74
  5. Step 5: Solve for x
    x = 39,717,668.74/8,170.24
  6. Step 6: Final answer
    x = 4,861.26

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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.