Home / 4,450.74-6,676.68-1,639.76

Finding the Fourth Proportional to 4,450.74, 6,676.68 and 1,639.76

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Solution

The fourth proportional to 4,450.74, 6,676.68 and 1,639.76 is: 2,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,450.74 : 6,676.68 = 1,639.76 : x
  2. Step 2: Convert to fraction form
    4,450.74/6,676.68 = 1,639.76/x
  3. Step 3: Cross multiply
    4,450.74x = 6,676.68 × 1,639.76
  4. Step 4: Simplify right side
    4,450.74x = 10,948,153.90
  5. Step 5: Solve for x
    x = 10,948,153.90/4,450.74
  6. Step 6: Final answer
    x = 2,459.85

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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.