Home / 8,529.72-12,796.38-4,149.65

Finding the Fourth Proportional to 8,529.72, 12,796.38 and 4,149.65

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Solution

The fourth proportional to 8,529.72, 12,796.38 and 4,149.65 is: 6,225.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.72 : 12,796.38 = 4,149.65 : x
  2. Step 2: Convert to fraction form
    8,529.72/12,796.38 = 4,149.65/x
  3. Step 3: Cross multiply
    8,529.72x = 12,796.38 × 4,149.65
  4. Step 4: Simplify right side
    8,529.72x = 53,100,434.29
  5. Step 5: Solve for x
    x = 53,100,434.29/8,529.72
  6. Step 6: Final answer
    x = 6,225.34

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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.