Home / 8,664.66-11,958.57-5,528.34

Finding the Fourth Proportional to 8,664.66, 11,958.57 and 5,528.34

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Solution

The fourth proportional to 8,664.66, 11,958.57 and 5,528.34 is: 7,629.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.66 : 11,958.57 = 5,528.34 : x
  2. Step 2: Convert to fraction form
    8,664.66/11,958.57 = 5,528.34/x
  3. Step 3: Cross multiply
    8,664.66x = 11,958.57 × 5,528.34
  4. Step 4: Simplify right side
    8,664.66x = 66,111,040.87
  5. Step 5: Solve for x
    x = 66,111,040.87/8,664.66
  6. Step 6: Final answer
    x = 7,629.96

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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.