Home / 8,187.97-12,272.77-3,256.28

Finding the Fourth Proportional to 8,187.97, 12,272.77 and 3,256.28

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Solution

The fourth proportional to 8,187.97, 12,272.77 and 3,256.28 is: 4,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.97 : 12,272.77 = 3,256.28 : x
  2. Step 2: Convert to fraction form
    8,187.97/12,272.77 = 3,256.28/x
  3. Step 3: Cross multiply
    8,187.97x = 12,272.77 × 3,256.28
  4. Step 4: Simplify right side
    8,187.97x = 39,963,559.21
  5. Step 5: Solve for x
    x = 39,963,559.21/8,187.97
  6. Step 6: Final answer
    x = 4,880.77

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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.