Home / 8,201.55-11,318.84-6,705.28

Finding the Fourth Proportional to 8,201.55, 11,318.84 and 6,705.28

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Solution

The fourth proportional to 8,201.55, 11,318.84 and 6,705.28 is: 9,253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.55 : 11,318.84 = 6,705.28 : x
  2. Step 2: Convert to fraction form
    8,201.55/11,318.84 = 6,705.28/x
  3. Step 3: Cross multiply
    8,201.55x = 11,318.84 × 6,705.28
  4. Step 4: Simplify right side
    8,201.55x = 75,895,991.48
  5. Step 5: Solve for x
    x = 75,895,991.48/8,201.55
  6. Step 6: Final answer
    x = 9,253.86

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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.