Home / 8,083.28-11,156.30-5,969.79

Finding the Fourth Proportional to 8,083.28, 11,156.30 and 5,969.79

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Solution

The fourth proportional to 8,083.28, 11,156.30 and 5,969.79 is: 8,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.28 : 11,156.30 = 5,969.79 : x
  2. Step 2: Convert to fraction form
    8,083.28/11,156.30 = 5,969.79/x
  3. Step 3: Cross multiply
    8,083.28x = 11,156.30 × 5,969.79
  4. Step 4: Simplify right side
    8,083.28x = 66,600,768.18
  5. Step 5: Solve for x
    x = 66,600,768.18/8,083.28
  6. Step 6: Final answer
    x = 8,239.32

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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.