Home / 7,573.34-11,361.55-3,190.80

Finding the Fourth Proportional to 7,573.34, 11,361.55 and 3,190.80

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Solution

The fourth proportional to 7,573.34, 11,361.55 and 3,190.80 is: 4,786.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,573.34 : 11,361.55 = 3,190.80 : x
  2. Step 2: Convert to fraction form
    7,573.34/11,361.55 = 3,190.80/x
  3. Step 3: Cross multiply
    7,573.34x = 11,361.55 × 3,190.80
  4. Step 4: Simplify right side
    7,573.34x = 36,252,421.80
  5. Step 5: Solve for x
    x = 36,252,421.80/7,573.34
  6. Step 6: Final answer
    x = 4,786.85

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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.