Home / 8,519.72-12,769.21-4,561.25

Finding the Fourth Proportional to 8,519.72, 12,769.21 and 4,561.25

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Solution

The fourth proportional to 8,519.72, 12,769.21 and 4,561.25 is: 6,836.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.72 : 12,769.21 = 4,561.25 : x
  2. Step 2: Convert to fraction form
    8,519.72/12,769.21 = 4,561.25/x
  3. Step 3: Cross multiply
    8,519.72x = 12,769.21 × 4,561.25
  4. Step 4: Simplify right side
    8,519.72x = 58,243,500.97
  5. Step 5: Solve for x
    x = 58,243,500.97/8,519.72
  6. Step 6: Final answer
    x = 6,836.32

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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.