Home / 5,687.36-8,532.96-2,222.72

Finding the Fourth Proportional to 5,687.36, 8,532.96 and 2,222.72

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Solution

The fourth proportional to 5,687.36, 8,532.96 and 2,222.72 is: 3,334.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.36 : 8,532.96 = 2,222.72 : x
  2. Step 2: Convert to fraction form
    5,687.36/8,532.96 = 2,222.72/x
  3. Step 3: Cross multiply
    5,687.36x = 8,532.96 × 2,222.72
  4. Step 4: Simplify right side
    5,687.36x = 18,966,380.85
  5. Step 5: Solve for x
    x = 18,966,380.85/5,687.36
  6. Step 6: Final answer
    x = 3,334.83

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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.