Home / 6,722.46-9,277.82-4,069.80

Finding the Fourth Proportional to 6,722.46, 9,277.82 and 4,069.80

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Solution

The fourth proportional to 6,722.46, 9,277.82 and 4,069.80 is: 5,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.46 : 9,277.82 = 4,069.80 : x
  2. Step 2: Convert to fraction form
    6,722.46/9,277.82 = 4,069.80/x
  3. Step 3: Cross multiply
    6,722.46x = 9,277.82 × 4,069.80
  4. Step 4: Simplify right side
    6,722.46x = 37,758,871.84
  5. Step 5: Solve for x
    x = 37,758,871.84/6,722.46
  6. Step 6: Final answer
    x = 5,616.82

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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.