Home / 7,763.40-11,626.58-4,469.58

Finding the Fourth Proportional to 7,763.40, 11,626.58 and 4,469.58

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Solution

The fourth proportional to 7,763.40, 11,626.58 and 4,469.58 is: 6,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.40 : 11,626.58 = 4,469.58 : x
  2. Step 2: Convert to fraction form
    7,763.40/11,626.58 = 4,469.58/x
  3. Step 3: Cross multiply
    7,763.40x = 11,626.58 × 4,469.58
  4. Step 4: Simplify right side
    7,763.40x = 51,965,929.44
  5. Step 5: Solve for x
    x = 51,965,929.44/7,763.40
  6. Step 6: Final answer
    x = 6,693.71

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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.