Home / 4,271.72-6,408.38-1,350.76

Finding the Fourth Proportional to 4,271.72, 6,408.38 and 1,350.76

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Solution

The fourth proportional to 4,271.72, 6,408.38 and 1,350.76 is: 2,026.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.72 : 6,408.38 = 1,350.76 : x
  2. Step 2: Convert to fraction form
    4,271.72/6,408.38 = 1,350.76/x
  3. Step 3: Cross multiply
    4,271.72x = 6,408.38 × 1,350.76
  4. Step 4: Simplify right side
    4,271.72x = 8,656,183.37
  5. Step 5: Solve for x
    x = 8,656,183.37/4,271.72
  6. Step 6: Final answer
    x = 2,026.39

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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.