Home / 8,747.65-13,122.78-3,199.72

Finding the Fourth Proportional to 8,747.65, 13,122.78 and 3,199.72

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Solution

The fourth proportional to 8,747.65, 13,122.78 and 3,199.72 is: 4,800.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.65 : 13,122.78 = 3,199.72 : x
  2. Step 2: Convert to fraction form
    8,747.65/13,122.78 = 3,199.72/x
  3. Step 3: Cross multiply
    8,747.65x = 13,122.78 × 3,199.72
  4. Step 4: Simplify right side
    8,747.65x = 41,989,221.62
  5. Step 5: Solve for x
    x = 41,989,221.62/8,747.65
  6. Step 6: Final answer
    x = 4,800.06

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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.