Home / 5,744.80-8,617.20-4,286.80

Finding the Fourth Proportional to 5,744.80, 8,617.20 and 4,286.80

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Solution

The fourth proportional to 5,744.80, 8,617.20 and 4,286.80 is: 6,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,744.80 : 8,617.20 = 4,286.80 : x
  2. Step 2: Convert to fraction form
    5,744.80/8,617.20 = 4,286.80/x
  3. Step 3: Cross multiply
    5,744.80x = 8,617.20 × 4,286.80
  4. Step 4: Simplify right side
    5,744.80x = 36,940,212.96
  5. Step 5: Solve for x
    x = 36,940,212.96/5,744.80
  6. Step 6: Final answer
    x = 6,430.20

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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.