Home / 8,324.72-11,489.26-4,787.84

Finding the Fourth Proportional to 8,324.72, 11,489.26 and 4,787.84

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Solution

The fourth proportional to 8,324.72, 11,489.26 and 4,787.84 is: 6,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.72 : 11,489.26 = 4,787.84 : x
  2. Step 2: Convert to fraction form
    8,324.72/11,489.26 = 4,787.84/x
  3. Step 3: Cross multiply
    8,324.72x = 11,489.26 × 4,787.84
  4. Step 4: Simplify right side
    8,324.72x = 55,008,738.60
  5. Step 5: Solve for x
    x = 55,008,738.60/8,324.72
  6. Step 6: Final answer
    x = 6,607.88

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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.