Home / 4,299.45-6,448.98-1,179.78

Finding the Fourth Proportional to 4,299.45, 6,448.98 and 1,179.78

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Solution

The fourth proportional to 4,299.45, 6,448.98 and 1,179.78 is: 1,769.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,299.45 : 6,448.98 = 1,179.78 : x
  2. Step 2: Convert to fraction form
    4,299.45/6,448.98 = 1,179.78/x
  3. Step 3: Cross multiply
    4,299.45x = 6,448.98 × 1,179.78
  4. Step 4: Simplify right side
    4,299.45x = 7,608,377.62
  5. Step 5: Solve for x
    x = 7,608,377.62/4,299.45
  6. Step 6: Final answer
    x = 1,769.62

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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.