Home / 11,297.79-16,945.25-2,977.88

Finding the Fourth Proportional to 11,297.79, 16,945.25 and 2,977.88

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Solution

The fourth proportional to 11,297.79, 16,945.25 and 2,977.88 is: 4,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.79 : 16,945.25 = 2,977.88 : x
  2. Step 2: Convert to fraction form
    11,297.79/16,945.25 = 2,977.88/x
  3. Step 3: Cross multiply
    11,297.79x = 16,945.25 × 2,977.88
  4. Step 4: Simplify right side
    11,297.79x = 50,460,821.45
  5. Step 5: Solve for x
    x = 50,460,821.45/11,297.79
  6. Step 6: Final answer
    x = 4,466.43

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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.