Home / 5,622.20-8,427.90-4,372.10

Finding the Fourth Proportional to 5,622.20, 8,427.90 and 4,372.10

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Solution

The fourth proportional to 5,622.20, 8,427.90 and 4,372.10 is: 6,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.20 : 8,427.90 = 4,372.10 : x
  2. Step 2: Convert to fraction form
    5,622.20/8,427.90 = 4,372.10/x
  3. Step 3: Cross multiply
    5,622.20x = 8,427.90 × 4,372.10
  4. Step 4: Simplify right side
    5,622.20x = 36,847,621.59
  5. Step 5: Solve for x
    x = 36,847,621.59/5,622.20
  6. Step 6: Final answer
    x = 6,553.95

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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.