Home / 6,450.80-9,672.36-2,553.20

Finding the Fourth Proportional to 6,450.80, 9,672.36 and 2,553.20

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Solution

The fourth proportional to 6,450.80, 9,672.36 and 2,553.20 is: 3,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.80 : 9,672.36 = 2,553.20 : x
  2. Step 2: Convert to fraction form
    6,450.80/9,672.36 = 2,553.20/x
  3. Step 3: Cross multiply
    6,450.80x = 9,672.36 × 2,553.20
  4. Step 4: Simplify right side
    6,450.80x = 24,695,469.55
  5. Step 5: Solve for x
    x = 24,695,469.55/6,450.80
  6. Step 6: Final answer
    x = 3,828.28

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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.