Home / 8,318.28-11,481.72-4,963.44

Finding the Fourth Proportional to 8,318.28, 11,481.72 and 4,963.44

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Solution

The fourth proportional to 8,318.28, 11,481.72 and 4,963.44 is: 6,851.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.28 : 11,481.72 = 4,963.44 : x
  2. Step 2: Convert to fraction form
    8,318.28/11,481.72 = 4,963.44/x
  3. Step 3: Cross multiply
    8,318.28x = 11,481.72 × 4,963.44
  4. Step 4: Simplify right side
    8,318.28x = 56,988,828.32
  5. Step 5: Solve for x
    x = 56,988,828.32/8,318.28
  6. Step 6: Final answer
    x = 6,851.04

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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.