Home / 5,704.29-8,548.64-3,620.55

Finding the Fourth Proportional to 5,704.29, 8,548.64 and 3,620.55

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Solution

The fourth proportional to 5,704.29, 8,548.64 and 3,620.55 is: 5,425.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.29 : 8,548.64 = 3,620.55 : x
  2. Step 2: Convert to fraction form
    5,704.29/8,548.64 = 3,620.55/x
  3. Step 3: Cross multiply
    5,704.29x = 8,548.64 × 3,620.55
  4. Step 4: Simplify right side
    5,704.29x = 30,950,760.45
  5. Step 5: Solve for x
    x = 30,950,760.45/5,704.29
  6. Step 6: Final answer
    x = 5,425.87

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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.