Home / 8,169.84-12,256.38-2,976.12

Finding the Fourth Proportional to 8,169.84, 12,256.38 and 2,976.12

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Solution

The fourth proportional to 8,169.84, 12,256.38 and 2,976.12 is: 4,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.84 : 12,256.38 = 2,976.12 : x
  2. Step 2: Convert to fraction form
    8,169.84/12,256.38 = 2,976.12/x
  3. Step 3: Cross multiply
    8,169.84x = 12,256.38 × 2,976.12
  4. Step 4: Simplify right side
    8,169.84x = 36,476,457.65
  5. Step 5: Solve for x
    x = 36,476,457.65/8,169.84
  6. Step 6: Final answer
    x = 4,464.77

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1.5x scale

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.