Home / 5,485.53-8,229.38-2,854.31

Finding the Fourth Proportional to 5,485.53, 8,229.38 and 2,854.31

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Solution

The fourth proportional to 5,485.53, 8,229.38 and 2,854.31 is: 4,282.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.53 : 8,229.38 = 2,854.31 : x
  2. Step 2: Convert to fraction form
    5,485.53/8,229.38 = 2,854.31/x
  3. Step 3: Cross multiply
    5,485.53x = 8,229.38 × 2,854.31
  4. Step 4: Simplify right side
    5,485.53x = 23,489,207.93
  5. Step 5: Solve for x
    x = 23,489,207.93/5,485.53
  6. Step 6: Final answer
    x = 4,282.03

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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.