Home / 8,745.91-13,118.93-3,199.43

Finding the Fourth Proportional to 8,745.91, 13,118.93 and 3,199.43

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Solution

The fourth proportional to 8,745.91, 13,118.93 and 3,199.43 is: 4,799.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.91 : 13,118.93 = 3,199.43 : x
  2. Step 2: Convert to fraction form
    8,745.91/13,118.93 = 3,199.43/x
  3. Step 3: Cross multiply
    8,745.91x = 13,118.93 × 3,199.43
  4. Step 4: Simplify right side
    8,745.91x = 41,973,127.01
  5. Step 5: Solve for x
    x = 41,973,127.01/8,745.91
  6. Step 6: Final answer
    x = 4,799.17

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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.