Home / 5,425.30-8,148.87-3,238.30

Finding the Fourth Proportional to 5,425.30, 8,148.87 and 3,238.30

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Solution

The fourth proportional to 5,425.30, 8,148.87 and 3,238.30 is: 4,863.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.30 : 8,148.87 = 3,238.30 : x
  2. Step 2: Convert to fraction form
    5,425.30/8,148.87 = 3,238.30/x
  3. Step 3: Cross multiply
    5,425.30x = 8,148.87 × 3,238.30
  4. Step 4: Simplify right side
    5,425.30x = 26,388,485.72
  5. Step 5: Solve for x
    x = 26,388,485.72/5,425.30
  6. Step 6: Final answer
    x = 4,863.97

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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.