Home / 7,648.60-11,464.70-3,949.84

Finding the Fourth Proportional to 7,648.60, 11,464.70 and 3,949.84

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Solution

The fourth proportional to 7,648.60, 11,464.70 and 3,949.84 is: 5,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.60 : 11,464.70 = 3,949.84 : x
  2. Step 2: Convert to fraction form
    7,648.60/11,464.70 = 3,949.84/x
  3. Step 3: Cross multiply
    7,648.60x = 11,464.70 × 3,949.84
  4. Step 4: Simplify right side
    7,648.60x = 45,283,730.65
  5. Step 5: Solve for x
    x = 45,283,730.65/7,648.60
  6. Step 6: Final answer
    x = 5,920.53

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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.