Home / 8,556.42-12,857.19-4,610.61

Finding the Fourth Proportional to 8,556.42, 12,857.19 and 4,610.61

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Solution

The fourth proportional to 8,556.42, 12,857.19 and 4,610.61 is: 6,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.42 : 12,857.19 = 4,610.61 : x
  2. Step 2: Convert to fraction form
    8,556.42/12,857.19 = 4,610.61/x
  3. Step 3: Cross multiply
    8,556.42x = 12,857.19 × 4,610.61
  4. Step 4: Simplify right side
    8,556.42x = 59,279,488.79
  5. Step 5: Solve for x
    x = 59,279,488.79/8,556.42
  6. Step 6: Final answer
    x = 6,928.07

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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.