Home / 5,454.08-8,171.04-4,222.88

Finding the Fourth Proportional to 5,454.08, 8,171.04 and 4,222.88

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Solution

The fourth proportional to 5,454.08, 8,171.04 and 4,222.88 is: 6,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.08 : 8,171.04 = 4,222.88 : x
  2. Step 2: Convert to fraction form
    5,454.08/8,171.04 = 4,222.88/x
  3. Step 3: Cross multiply
    5,454.08x = 8,171.04 × 4,222.88
  4. Step 4: Simplify right side
    5,454.08x = 34,505,321.40
  5. Step 5: Solve for x
    x = 34,505,321.40/5,454.08
  6. Step 6: Final answer
    x = 6,326.52

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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.