Home / 5,408.70-8,122.65-4,179.10

Finding the Fourth Proportional to 5,408.70, 8,122.65 and 4,179.10

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Solution

The fourth proportional to 5,408.70, 8,122.65 and 4,179.10 is: 6,276.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.70 : 8,122.65 = 4,179.10 : x
  2. Step 2: Convert to fraction form
    5,408.70/8,122.65 = 4,179.10/x
  3. Step 3: Cross multiply
    5,408.70x = 8,122.65 × 4,179.10
  4. Step 4: Simplify right side
    5,408.70x = 33,945,366.62
  5. Step 5: Solve for x
    x = 33,945,366.62/5,408.70
  6. Step 6: Final answer
    x = 6,276.07

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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.