Home / 8,556.17-12,826.76-4,111.61

Finding the Fourth Proportional to 8,556.17, 12,826.76 and 4,111.61

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Solution

The fourth proportional to 8,556.17, 12,826.76 and 4,111.61 is: 6,163.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.17 : 12,826.76 = 4,111.61 : x
  2. Step 2: Convert to fraction form
    8,556.17/12,826.76 = 4,111.61/x
  3. Step 3: Cross multiply
    8,556.17x = 12,826.76 × 4,111.61
  4. Step 4: Simplify right side
    8,556.17x = 52,738,614.13
  5. Step 5: Solve for x
    x = 52,738,614.13/8,556.17
  6. Step 6: Final answer
    x = 6,163.81

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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.