Home / 5,354.20-8,033.70-2,579.80

Finding the Fourth Proportional to 5,354.20, 8,033.70 and 2,579.80

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Solution

The fourth proportional to 5,354.20, 8,033.70 and 2,579.80 is: 3,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.20 : 8,033.70 = 2,579.80 : x
  2. Step 2: Convert to fraction form
    5,354.20/8,033.70 = 2,579.80/x
  3. Step 3: Cross multiply
    5,354.20x = 8,033.70 × 2,579.80
  4. Step 4: Simplify right side
    5,354.20x = 20,725,339.26
  5. Step 5: Solve for x
    x = 20,725,339.26/5,354.20
  6. Step 6: Final answer
    x = 3,870.86

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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.