Home / 8,781.37-13,177.24-3,238.58

Finding the Fourth Proportional to 8,781.37, 13,177.24 and 3,238.58

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Solution

The fourth proportional to 8,781.37, 13,177.24 and 3,238.58 is: 4,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781.37 : 13,177.24 = 3,238.58 : x
  2. Step 2: Convert to fraction form
    8,781.37/13,177.24 = 3,238.58/x
  3. Step 3: Cross multiply
    8,781.37x = 13,177.24 × 3,238.58
  4. Step 4: Simplify right side
    8,781.37x = 42,675,570.77
  5. Step 5: Solve for x
    x = 42,675,570.77/8,781.37
  6. Step 6: Final answer
    x = 4,859.79

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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.