Home / 8,230.88-11,358.78-4,872.46

Finding the Fourth Proportional to 8,230.88, 11,358.78 and 4,872.46

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Solution

The fourth proportional to 8,230.88, 11,358.78 and 4,872.46 is: 6,724.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.88 : 11,358.78 = 4,872.46 : x
  2. Step 2: Convert to fraction form
    8,230.88/11,358.78 = 4,872.46/x
  3. Step 3: Cross multiply
    8,230.88x = 11,358.78 × 4,872.46
  4. Step 4: Simplify right side
    8,230.88x = 55,345,201.20
  5. Step 5: Solve for x
    x = 55,345,201.20/8,230.88
  6. Step 6: Final answer
    x = 6,724.09

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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.