Home / 8,228.73-11,353.97-4,869.87

Finding the Fourth Proportional to 8,228.73, 11,353.97 and 4,869.87

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Solution

The fourth proportional to 8,228.73, 11,353.97 and 4,869.87 is: 6,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.73 : 11,353.97 = 4,869.87 : x
  2. Step 2: Convert to fraction form
    8,228.73/11,353.97 = 4,869.87/x
  3. Step 3: Cross multiply
    8,228.73x = 11,353.97 × 4,869.87
  4. Step 4: Simplify right side
    8,228.73x = 55,292,357.88
  5. Step 5: Solve for x
    x = 55,292,357.88/8,228.73
  6. Step 6: Final answer
    x = 6,719.43

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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.