Home / 8,022.09-11,073.53-7,181.28

Finding the Fourth Proportional to 8,022.09, 11,073.53 and 7,181.28

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Solution

The fourth proportional to 8,022.09, 11,073.53 and 7,181.28 is: 9,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.09 : 11,073.53 = 7,181.28 : x
  2. Step 2: Convert to fraction form
    8,022.09/11,073.53 = 7,181.28/x
  3. Step 3: Cross multiply
    8,022.09x = 11,073.53 × 7,181.28
  4. Step 4: Simplify right side
    8,022.09x = 79,522,083.61
  5. Step 5: Solve for x
    x = 79,522,083.61/8,022.09
  6. Step 6: Final answer
    x = 9,912.89

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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.