Home / 4,791.21-7,188.57-2,018.58

Finding the Fourth Proportional to 4,791.21, 7,188.57 and 2,018.58

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Solution

The fourth proportional to 4,791.21, 7,188.57 and 2,018.58 is: 3,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.21 : 7,188.57 = 2,018.58 : x
  2. Step 2: Convert to fraction form
    4,791.21/7,188.57 = 2,018.58/x
  3. Step 3: Cross multiply
    4,791.21x = 7,188.57 × 2,018.58
  4. Step 4: Simplify right side
    4,791.21x = 14,510,703.63
  5. Step 5: Solve for x
    x = 14,510,703.63/4,791.21
  6. Step 6: Final answer
    x = 3,028.61

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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.