Home / 6,723.21-9,277.97-3,738.90

Finding the Fourth Proportional to 6,723.21, 9,277.97 and 3,738.90

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Solution

The fourth proportional to 6,723.21, 9,277.97 and 3,738.90 is: 5,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.21 : 9,277.97 = 3,738.90 : x
  2. Step 2: Convert to fraction form
    6,723.21/9,277.97 = 3,738.90/x
  3. Step 3: Cross multiply
    6,723.21x = 9,277.97 × 3,738.90
  4. Step 4: Simplify right side
    6,723.21x = 34,689,383.34
  5. Step 5: Solve for x
    x = 34,689,383.34/6,723.21
  6. Step 6: Final answer
    x = 5,159.65

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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.