Home / 8,195.15-12,288.39-3,575.63

Finding the Fourth Proportional to 8,195.15, 12,288.39 and 3,575.63

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Solution

The fourth proportional to 8,195.15, 12,288.39 and 3,575.63 is: 5,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.15 : 12,288.39 = 3,575.63 : x
  2. Step 2: Convert to fraction form
    8,195.15/12,288.39 = 3,575.63/x
  3. Step 3: Cross multiply
    8,195.15x = 12,288.39 × 3,575.63
  4. Step 4: Simplify right side
    8,195.15x = 43,938,674.49
  5. Step 5: Solve for x
    x = 43,938,674.49/8,195.15
  6. Step 6: Final answer
    x = 5,361.55

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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.