Home / 4,107.24-6,147.30-3,128.04

Finding the Fourth Proportional to 4,107.24, 6,147.30 and 3,128.04

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Solution

The fourth proportional to 4,107.24, 6,147.30 and 3,128.04 is: 4,681.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.24 : 6,147.30 = 3,128.04 : x
  2. Step 2: Convert to fraction form
    4,107.24/6,147.30 = 3,128.04/x
  3. Step 3: Cross multiply
    4,107.24x = 6,147.30 × 3,128.04
  4. Step 4: Simplify right side
    4,107.24x = 19,229,000.29
  5. Step 5: Solve for x
    x = 19,229,000.29/4,107.24
  6. Step 6: Final answer
    x = 4,681.73

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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.