Home / 9,198.90-13,791.48-2,955.35

Finding the Fourth Proportional to 9,198.90, 13,791.48 and 2,955.35

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Solution

The fourth proportional to 9,198.90, 13,791.48 and 2,955.35 is: 4,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198.90 : 13,791.48 = 2,955.35 : x
  2. Step 2: Convert to fraction form
    9,198.90/13,791.48 = 2,955.35/x
  3. Step 3: Cross multiply
    9,198.90x = 13,791.48 × 2,955.35
  4. Step 4: Simplify right side
    9,198.90x = 40,758,725.76
  5. Step 5: Solve for x
    x = 40,758,725.76/9,198.90
  6. Step 6: Final answer
    x = 4,430.83

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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.