Home / 8,682.78-13,024.07-2,108.98

Finding the Fourth Proportional to 8,682.78, 13,024.07 and 2,108.98

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Solution

The fourth proportional to 8,682.78, 13,024.07 and 2,108.98 is: 3,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.78 : 13,024.07 = 2,108.98 : x
  2. Step 2: Convert to fraction form
    8,682.78/13,024.07 = 2,108.98/x
  3. Step 3: Cross multiply
    8,682.78x = 13,024.07 × 2,108.98
  4. Step 4: Simplify right side
    8,682.78x = 27,467,455.40
  5. Step 5: Solve for x
    x = 27,467,455.40/8,682.78
  6. Step 6: Final answer
    x = 3,163.44

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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.