Home / 8,555.88-12,835.26-3,625.56

Finding the Fourth Proportional to 8,555.88, 12,835.26 and 3,625.56

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Solution

The fourth proportional to 8,555.88, 12,835.26 and 3,625.56 is: 5,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.88 : 12,835.26 = 3,625.56 : x
  2. Step 2: Convert to fraction form
    8,555.88/12,835.26 = 3,625.56/x
  3. Step 3: Cross multiply
    8,555.88x = 12,835.26 × 3,625.56
  4. Step 4: Simplify right side
    8,555.88x = 46,535,005.25
  5. Step 5: Solve for x
    x = 46,535,005.25/8,555.88
  6. Step 6: Final answer
    x = 5,438.95

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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.