Home / 8,480.28-11,704.64-4,704.75

Finding the Fourth Proportional to 8,480.28, 11,704.64 and 4,704.75

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Solution

The fourth proportional to 8,480.28, 11,704.64 and 4,704.75 is: 6,493.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.28 : 11,704.64 = 4,704.75 : x
  2. Step 2: Convert to fraction form
    8,480.28/11,704.64 = 4,704.75/x
  3. Step 3: Cross multiply
    8,480.28x = 11,704.64 × 4,704.75
  4. Step 4: Simplify right side
    8,480.28x = 55,067,381.52
  5. Step 5: Solve for x
    x = 55,067,381.52/8,480.28
  6. Step 6: Final answer
    x = 6,493.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.