Home / 8,600.24-12,896.69-3,918.85

Finding the Fourth Proportional to 8,600.24, 12,896.69 and 3,918.85

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Solution

The fourth proportional to 8,600.24, 12,896.69 and 3,918.85 is: 5,876.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.24 : 12,896.69 = 3,918.85 : x
  2. Step 2: Convert to fraction form
    8,600.24/12,896.69 = 3,918.85/x
  3. Step 3: Cross multiply
    8,600.24x = 12,896.69 × 3,918.85
  4. Step 4: Simplify right side
    8,600.24x = 50,540,141.77
  5. Step 5: Solve for x
    x = 50,540,141.77/8,600.24
  6. Step 6: Final answer
    x = 5,876.59

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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.