Home / 4,982.21-7,477.91-2,518.74

Finding the Fourth Proportional to 4,982.21, 7,477.91 and 2,518.74

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Solution

The fourth proportional to 4,982.21, 7,477.91 and 2,518.74 is: 3,780.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.21 : 7,477.91 = 2,518.74 : x
  2. Step 2: Convert to fraction form
    4,982.21/7,477.91 = 2,518.74/x
  3. Step 3: Cross multiply
    4,982.21x = 7,477.91 × 2,518.74
  4. Step 4: Simplify right side
    4,982.21x = 18,834,898.44
  5. Step 5: Solve for x
    x = 18,834,898.44/4,982.21
  6. Step 6: Final answer
    x = 3,780.43

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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.