Home / 4,299.69-6,450.61-1,221.69

Finding the Fourth Proportional to 4,299.69, 6,450.61 and 1,221.69

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Solution

The fourth proportional to 4,299.69, 6,450.61 and 1,221.69 is: 1,832.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,299.69 : 6,450.61 = 1,221.69 : x
  2. Step 2: Convert to fraction form
    4,299.69/6,450.61 = 1,221.69/x
  3. Step 3: Cross multiply
    4,299.69x = 6,450.61 × 1,221.69
  4. Step 4: Simplify right side
    4,299.69x = 7,880,645.73
  5. Step 5: Solve for x
    x = 7,880,645.73/4,299.69
  6. Step 6: Final answer
    x = 1,832.84

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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.