Home / 4,917.70-7,364.40-3,665.29

Finding the Fourth Proportional to 4,917.70, 7,364.40 and 3,665.29

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Solution

The fourth proportional to 4,917.70, 7,364.40 and 3,665.29 is: 5,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.70 : 7,364.40 = 3,665.29 : x
  2. Step 2: Convert to fraction form
    4,917.70/7,364.40 = 3,665.29/x
  3. Step 3: Cross multiply
    4,917.70x = 7,364.40 × 3,665.29
  4. Step 4: Simplify right side
    4,917.70x = 26,992,661.68
  5. Step 5: Solve for x
    x = 26,992,661.68/4,917.70
  6. Step 6: Final answer
    x = 5,488.88

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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.