Home / 4,450.80-6,676.20-1,372.40

Finding the Fourth Proportional to 4,450.80, 6,676.20 and 1,372.40

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Solution

The fourth proportional to 4,450.80, 6,676.20 and 1,372.40 is: 2,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,450.80 : 6,676.20 = 1,372.40 : x
  2. Step 2: Convert to fraction form
    4,450.80/6,676.20 = 1,372.40/x
  3. Step 3: Cross multiply
    4,450.80x = 6,676.20 × 1,372.40
  4. Step 4: Simplify right side
    4,450.80x = 9,162,416.88
  5. Step 5: Solve for x
    x = 9,162,416.88/4,450.80
  6. Step 6: Final answer
    x = 2,058.60

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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.