Home / 7,107.30-9,808.04-3,963.48

Finding the Fourth Proportional to 7,107.30, 9,808.04 and 3,963.48

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Solution

The fourth proportional to 7,107.30, 9,808.04 and 3,963.48 is: 5,469.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.30 : 9,808.04 = 3,963.48 : x
  2. Step 2: Convert to fraction form
    7,107.30/9,808.04 = 3,963.48/x
  3. Step 3: Cross multiply
    7,107.30x = 9,808.04 × 3,963.48
  4. Step 4: Simplify right side
    7,107.30x = 38,873,950.56
  5. Step 5: Solve for x
    x = 38,873,950.56/7,107.30
  6. Step 6: Final answer
    x = 5,469.58

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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.