Home / 6,206.88-9,311.76-2,745.12

Finding the Fourth Proportional to 6,206.88, 9,311.76 and 2,745.12

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Solution

The fourth proportional to 6,206.88, 9,311.76 and 2,745.12 is: 4,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,206.88 : 9,311.76 = 2,745.12 : x
  2. Step 2: Convert to fraction form
    6,206.88/9,311.76 = 2,745.12/x
  3. Step 3: Cross multiply
    6,206.88x = 9,311.76 × 2,745.12
  4. Step 4: Simplify right side
    6,206.88x = 25,561,898.61
  5. Step 5: Solve for x
    x = 25,561,898.61/6,206.88
  6. Step 6: Final answer
    x = 4,118.32

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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.