Home / 4,003.20-6,000.96-2,155.56

Finding the Fourth Proportional to 4,003.20, 6,000.96 and 2,155.56

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Solution

The fourth proportional to 4,003.20, 6,000.96 and 2,155.56 is: 3,231.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.20 : 6,000.96 = 2,155.56 : x
  2. Step 2: Convert to fraction form
    4,003.20/6,000.96 = 2,155.56/x
  3. Step 3: Cross multiply
    4,003.20x = 6,000.96 × 2,155.56
  4. Step 4: Simplify right side
    4,003.20x = 12,935,429.34
  5. Step 5: Solve for x
    x = 12,935,429.34/4,003.20
  6. Step 6: Final answer
    x = 3,231.27

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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.