Home / 6,484.05-9,704.21-5,390.55

Finding the Fourth Proportional to 6,484.05, 9,704.21 and 5,390.55

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Solution

The fourth proportional to 6,484.05, 9,704.21 and 5,390.55 is: 8,067.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.05 : 9,704.21 = 5,390.55 : x
  2. Step 2: Convert to fraction form
    6,484.05/9,704.21 = 5,390.55/x
  3. Step 3: Cross multiply
    6,484.05x = 9,704.21 × 5,390.55
  4. Step 4: Simplify right side
    6,484.05x = 52,311,002.26
  5. Step 5: Solve for x
    x = 52,311,002.26/6,484.05
  6. Step 6: Final answer
    x = 8,067.64

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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.