Home / 5,512.40-8,268.60-5,454.80

Finding the Fourth Proportional to 5,512.40, 8,268.60 and 5,454.80

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Solution

The fourth proportional to 5,512.40, 8,268.60 and 5,454.80 is: 8,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.40 : 8,268.60 = 5,454.80 : x
  2. Step 2: Convert to fraction form
    5,512.40/8,268.60 = 5,454.80/x
  3. Step 3: Cross multiply
    5,512.40x = 8,268.60 × 5,454.80
  4. Step 4: Simplify right side
    5,512.40x = 45,103,559.28
  5. Step 5: Solve for x
    x = 45,103,559.28/5,512.40
  6. Step 6: Final answer
    x = 8,182.20

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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.