Home / 8,664.57-11,958.97-5,475.84

Finding the Fourth Proportional to 8,664.57, 11,958.97 and 5,475.84

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Solution

The fourth proportional to 8,664.57, 11,958.97 and 5,475.84 is: 7,557.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.57 : 11,958.97 = 5,475.84 : x
  2. Step 2: Convert to fraction form
    8,664.57/11,958.97 = 5,475.84/x
  3. Step 3: Cross multiply
    8,664.57x = 11,958.97 × 5,475.84
  4. Step 4: Simplify right side
    8,664.57x = 65,485,406.28
  5. Step 5: Solve for x
    x = 65,485,406.28/8,664.57
  6. Step 6: Final answer
    x = 7,557.84

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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.