Home / 7,641.40-11,469.83-3,946.27

Finding the Fourth Proportional to 7,641.40, 11,469.83 and 3,946.27

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Solution

The fourth proportional to 7,641.40, 11,469.83 and 3,946.27 is: 5,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.40 : 11,469.83 = 3,946.27 : x
  2. Step 2: Convert to fraction form
    7,641.40/11,469.83 = 3,946.27/x
  3. Step 3: Cross multiply
    7,641.40x = 11,469.83 × 3,946.27
  4. Step 4: Simplify right side
    7,641.40x = 45,262,997.63
  5. Step 5: Solve for x
    x = 45,262,997.63/7,641.40
  6. Step 6: Final answer
    x = 5,923.39

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1.5x scale

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.