Home / 8,118.06-11,202.24-5,133.90

Finding the Fourth Proportional to 8,118.06, 11,202.24 and 5,133.90

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Solution

The fourth proportional to 8,118.06, 11,202.24 and 5,133.90 is: 7,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.06 : 11,202.24 = 5,133.90 : x
  2. Step 2: Convert to fraction form
    8,118.06/11,202.24 = 5,133.90/x
  3. Step 3: Cross multiply
    8,118.06x = 11,202.24 × 5,133.90
  4. Step 4: Simplify right side
    8,118.06x = 57,511,179.94
  5. Step 5: Solve for x
    x = 57,511,179.94/8,118.06
  6. Step 6: Final answer
    x = 7,084.35

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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.