Home / 8,664.28-11,958.56-5,475.54

Finding the Fourth Proportional to 8,664.28, 11,958.56 and 5,475.54

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Solution

The fourth proportional to 8,664.28, 11,958.56 and 5,475.54 is: 7,557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.28 : 11,958.56 = 5,475.54 : x
  2. Step 2: Convert to fraction form
    8,664.28/11,958.56 = 5,475.54/x
  3. Step 3: Cross multiply
    8,664.28x = 11,958.56 × 5,475.54
  4. Step 4: Simplify right side
    8,664.28x = 65,479,611.62
  5. Step 5: Solve for x
    x = 65,479,611.62/8,664.28
  6. Step 6: Final answer
    x = 7,557.42

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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.