Home / 8,180.77-12,265.68-3,249.09

Finding the Fourth Proportional to 8,180.77, 12,265.68 and 3,249.09

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Solution

The fourth proportional to 8,180.77, 12,265.68 and 3,249.09 is: 4,871.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.77 : 12,265.68 = 3,249.09 : x
  2. Step 2: Convert to fraction form
    8,180.77/12,265.68 = 3,249.09/x
  3. Step 3: Cross multiply
    8,180.77x = 12,265.68 × 3,249.09
  4. Step 4: Simplify right side
    8,180.77x = 39,852,298.23
  5. Step 5: Solve for x
    x = 39,852,298.23/8,180.77
  6. Step 6: Final answer
    x = 4,871.46

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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.