Home / 5,617.96-8,420.38-4,226.83

Finding the Fourth Proportional to 5,617.96, 8,420.38 and 4,226.83

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Solution

The fourth proportional to 5,617.96, 8,420.38 and 4,226.83 is: 6,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.96 : 8,420.38 = 4,226.83 : x
  2. Step 2: Convert to fraction form
    5,617.96/8,420.38 = 4,226.83/x
  3. Step 3: Cross multiply
    5,617.96x = 8,420.38 × 4,226.83
  4. Step 4: Simplify right side
    5,617.96x = 35,591,472.69
  5. Step 5: Solve for x
    x = 35,591,472.69/5,617.96
  6. Step 6: Final answer
    x = 6,335.30

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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.