Home / 7,960.24-11,939.46-2,412.28

Finding the Fourth Proportional to 7,960.24, 11,939.46 and 2,412.28

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Solution

The fourth proportional to 7,960.24, 11,939.46 and 2,412.28 is: 3,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.24 : 11,939.46 = 2,412.28 : x
  2. Step 2: Convert to fraction form
    7,960.24/11,939.46 = 2,412.28/x
  3. Step 3: Cross multiply
    7,960.24x = 11,939.46 × 2,412.28
  4. Step 4: Simplify right side
    7,960.24x = 28,801,320.57
  5. Step 5: Solve for x
    x = 28,801,320.57/7,960.24
  6. Step 6: Final answer
    x = 3,618.15

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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.