Home / 8,660.32-12,979.44-4,033.12

Finding the Fourth Proportional to 8,660.32, 12,979.44 and 4,033.12

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Solution

The fourth proportional to 8,660.32, 12,979.44 and 4,033.12 is: 6,044.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.32 : 12,979.44 = 4,033.12 : x
  2. Step 2: Convert to fraction form
    8,660.32/12,979.44 = 4,033.12/x
  3. Step 3: Cross multiply
    8,660.32x = 12,979.44 × 4,033.12
  4. Step 4: Simplify right side
    8,660.32x = 52,347,639.05
  5. Step 5: Solve for x
    x = 52,347,639.05/8,660.32
  6. Step 6: Final answer
    x = 6,044.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.