Home / 4,454.42-6,679.67-2,115.09

Finding the Fourth Proportional to 4,454.42, 6,679.67 and 2,115.09

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Solution

The fourth proportional to 4,454.42, 6,679.67 and 2,115.09 is: 3,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454.42 : 6,679.67 = 2,115.09 : x
  2. Step 2: Convert to fraction form
    4,454.42/6,679.67 = 2,115.09/x
  3. Step 3: Cross multiply
    4,454.42x = 6,679.67 × 2,115.09
  4. Step 4: Simplify right side
    4,454.42x = 14,128,103.22
  5. Step 5: Solve for x
    x = 14,128,103.22/4,454.42
  6. Step 6: Final answer
    x = 3,171.70

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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.