Home / 5,666.10-8,493.46-2,155.21

Finding the Fourth Proportional to 5,666.10, 8,493.46 and 2,155.21

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Solution

The fourth proportional to 5,666.10, 8,493.46 and 2,155.21 is: 3,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.10 : 8,493.46 = 2,155.21 : x
  2. Step 2: Convert to fraction form
    5,666.10/8,493.46 = 2,155.21/x
  3. Step 3: Cross multiply
    5,666.10x = 8,493.46 × 2,155.21
  4. Step 4: Simplify right side
    5,666.10x = 18,305,163.30
  5. Step 5: Solve for x
    x = 18,305,163.30/5,666.10
  6. Step 6: Final answer
    x = 3,230.64

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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.