Home / 4,276.20-6,408.90-1,933.68

Finding the Fourth Proportional to 4,276.20, 6,408.90 and 1,933.68

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Solution

The fourth proportional to 4,276.20, 6,408.90 and 1,933.68 is: 2,898.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.20 : 6,408.90 = 1,933.68 : x
  2. Step 2: Convert to fraction form
    4,276.20/6,408.90 = 1,933.68/x
  3. Step 3: Cross multiply
    4,276.20x = 6,408.90 × 1,933.68
  4. Step 4: Simplify right side
    4,276.20x = 12,392,761.75
  5. Step 5: Solve for x
    x = 12,392,761.75/4,276.20
  6. Step 6: Final answer
    x = 2,898.08

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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.