Home / 5,622.76-8,425.50-2,158.12

Finding the Fourth Proportional to 5,622.76, 8,425.50 and 2,158.12

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Solution

The fourth proportional to 5,622.76, 8,425.50 and 2,158.12 is: 3,233.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.76 : 8,425.50 = 2,158.12 : x
  2. Step 2: Convert to fraction form
    5,622.76/8,425.50 = 2,158.12/x
  3. Step 3: Cross multiply
    5,622.76x = 8,425.50 × 2,158.12
  4. Step 4: Simplify right side
    5,622.76x = 18,183,240.06
  5. Step 5: Solve for x
    x = 18,183,240.06/5,622.76
  6. Step 6: Final answer
    x = 3,233.86

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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.