Home / 7,923.33-11,889.05-3,246.80

Finding the Fourth Proportional to 7,923.33, 11,889.05 and 3,246.80

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Solution

The fourth proportional to 7,923.33, 11,889.05 and 3,246.80 is: 4,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.33 : 11,889.05 = 3,246.80 : x
  2. Step 2: Convert to fraction form
    7,923.33/11,889.05 = 3,246.80/x
  3. Step 3: Cross multiply
    7,923.33x = 11,889.05 × 3,246.80
  4. Step 4: Simplify right side
    7,923.33x = 38,601,291.86
  5. Step 5: Solve for x
    x = 38,601,291.86/7,923.33
  6. Step 6: Final answer
    x = 4,871.85

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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.