Home / 8,581.02-12,868.77-2,736.25

Finding the Fourth Proportional to 8,581.02, 12,868.77 and 2,736.25

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Solution

The fourth proportional to 8,581.02, 12,868.77 and 2,736.25 is: 4,103.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.02 : 12,868.77 = 2,736.25 : x
  2. Step 2: Convert to fraction form
    8,581.02/12,868.77 = 2,736.25/x
  3. Step 3: Cross multiply
    8,581.02x = 12,868.77 × 2,736.25
  4. Step 4: Simplify right side
    8,581.02x = 35,212,171.91
  5. Step 5: Solve for x
    x = 35,212,171.91/8,581.02
  6. Step 6: Final answer
    x = 4,103.49

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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.