Home / 4,219.26-6,338.02-2,576.80

Finding the Fourth Proportional to 4,219.26, 6,338.02 and 2,576.80

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Solution

The fourth proportional to 4,219.26, 6,338.02 and 2,576.80 is: 3,870.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.26 : 6,338.02 = 2,576.80 : x
  2. Step 2: Convert to fraction form
    4,219.26/6,338.02 = 2,576.80/x
  3. Step 3: Cross multiply
    4,219.26x = 6,338.02 × 2,576.80
  4. Step 4: Simplify right side
    4,219.26x = 16,331,809.94
  5. Step 5: Solve for x
    x = 16,331,809.94/4,219.26
  6. Step 6: Final answer
    x = 3,870.78

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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.