Home / 8,980.83-13,467.96-3,431.43

Finding the Fourth Proportional to 8,980.83, 13,467.96 and 3,431.43

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Solution

The fourth proportional to 8,980.83, 13,467.96 and 3,431.43 is: 5,145.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.83 : 13,467.96 = 3,431.43 : x
  2. Step 2: Convert to fraction form
    8,980.83/13,467.96 = 3,431.43/x
  3. Step 3: Cross multiply
    8,980.83x = 13,467.96 × 3,431.43
  4. Step 4: Simplify right side
    8,980.83x = 46,214,361.98
  5. Step 5: Solve for x
    x = 46,214,361.98/8,980.83
  6. Step 6: Final answer
    x = 5,145.89

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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.