Home / 8,180.77-12,266.67-2,556.89

Finding the Fourth Proportional to 8,180.77, 12,266.67 and 2,556.89

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Solution

The fourth proportional to 8,180.77, 12,266.67 and 2,556.89 is: 3,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.77 : 12,266.67 = 2,556.89 : x
  2. Step 2: Convert to fraction form
    8,180.77/12,266.67 = 2,556.89/x
  3. Step 3: Cross multiply
    8,180.77x = 12,266.67 × 2,556.89
  4. Step 4: Simplify right side
    8,180.77x = 31,364,525.86
  5. Step 5: Solve for x
    x = 31,364,525.86/8,180.77
  6. Step 6: Final answer
    x = 3,833.93

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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.