Home / 8,150.50-11,247.70-4,424.50

Finding the Fourth Proportional to 8,150.50, 11,247.70 and 4,424.50

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Solution

The fourth proportional to 8,150.50, 11,247.70 and 4,424.50 is: 6,105.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.50 : 11,247.70 = 4,424.50 : x
  2. Step 2: Convert to fraction form
    8,150.50/11,247.70 = 4,424.50/x
  3. Step 3: Cross multiply
    8,150.50x = 11,247.70 × 4,424.50
  4. Step 4: Simplify right side
    8,150.50x = 49,765,448.65
  5. Step 5: Solve for x
    x = 49,765,448.65/8,150.50
  6. Step 6: Final answer
    x = 6,105.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.