Home / 7,822.20-11,732.94-3,923.64

Finding the Fourth Proportional to 7,822.20, 11,732.94 and 3,923.64

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Solution

The fourth proportional to 7,822.20, 11,732.94 and 3,923.64 is: 5,885.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.20 : 11,732.94 = 3,923.64 : x
  2. Step 2: Convert to fraction form
    7,822.20/11,732.94 = 3,923.64/x
  3. Step 3: Cross multiply
    7,822.20x = 11,732.94 × 3,923.64
  4. Step 4: Simplify right side
    7,822.20x = 46,035,832.70
  5. Step 5: Solve for x
    x = 46,035,832.70/7,822.20
  6. Step 6: Final answer
    x = 5,885.28

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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.