Home / 8,002.98-11,999.58-4,105.26

Finding the Fourth Proportional to 8,002.98, 11,999.58 and 4,105.26

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Solution

The fourth proportional to 8,002.98, 11,999.58 and 4,105.26 is: 6,155.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002.98 : 11,999.58 = 4,105.26 : x
  2. Step 2: Convert to fraction form
    8,002.98/11,999.58 = 4,105.26/x
  3. Step 3: Cross multiply
    8,002.98x = 11,999.58 × 4,105.26
  4. Step 4: Simplify right side
    8,002.98x = 49,261,395.79
  5. Step 5: Solve for x
    x = 49,261,395.79/8,002.98
  6. Step 6: Final answer
    x = 6,155.38

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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.