Home / 7,193.85-9,927.75-3,963.52

Finding the Fourth Proportional to 7,193.85, 9,927.75 and 3,963.52

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Solution

The fourth proportional to 7,193.85, 9,927.75 and 3,963.52 is: 5,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.85 : 9,927.75 = 3,963.52 : x
  2. Step 2: Convert to fraction form
    7,193.85/9,927.75 = 3,963.52/x
  3. Step 3: Cross multiply
    7,193.85x = 9,927.75 × 3,963.52
  4. Step 4: Simplify right side
    7,193.85x = 39,348,835.68
  5. Step 5: Solve for x
    x = 39,348,835.68/7,193.85
  6. Step 6: Final answer
    x = 5,469.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.