Home / 6,379.46-8,797.82-4,225.11

Finding the Fourth Proportional to 6,379.46, 8,797.82 and 4,225.11

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Solution

The fourth proportional to 6,379.46, 8,797.82 and 4,225.11 is: 5,826.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.46 : 8,797.82 = 4,225.11 : x
  2. Step 2: Convert to fraction form
    6,379.46/8,797.82 = 4,225.11/x
  3. Step 3: Cross multiply
    6,379.46x = 8,797.82 × 4,225.11
  4. Step 4: Simplify right side
    6,379.46x = 37,171,752.63
  5. Step 5: Solve for x
    x = 37,171,752.63/6,379.46
  6. Step 6: Final answer
    x = 5,826.79

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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.