Home / 9,199.90-13,796.88-3,934.78

Finding the Fourth Proportional to 9,199.90, 13,796.88 and 3,934.78

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Solution

The fourth proportional to 9,199.90, 13,796.88 and 3,934.78 is: 5,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.90 : 13,796.88 = 3,934.78 : x
  2. Step 2: Convert to fraction form
    9,199.90/13,796.88 = 3,934.78/x
  3. Step 3: Cross multiply
    9,199.90x = 13,796.88 × 3,934.78
  4. Step 4: Simplify right side
    9,199.90x = 54,287,687.49
  5. Step 5: Solve for x
    x = 54,287,687.49/9,199.90
  6. Step 6: Final answer
    x = 5,900.90

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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.