Home / 8,170.36-12,257.38-2,976.19

Finding the Fourth Proportional to 8,170.36, 12,257.38 and 2,976.19

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Solution

The fourth proportional to 8,170.36, 12,257.38 and 2,976.19 is: 4,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.36 : 12,257.38 = 2,976.19 : x
  2. Step 2: Convert to fraction form
    8,170.36/12,257.38 = 2,976.19/x
  3. Step 3: Cross multiply
    8,170.36x = 12,257.38 × 2,976.19
  4. Step 4: Simplify right side
    8,170.36x = 36,480,264.86
  5. Step 5: Solve for x
    x = 36,480,264.86/8,170.36
  6. Step 6: Final answer
    x = 4,464.95

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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.