Home / 5,601.22-8,404.35-2,140.90

Finding the Fourth Proportional to 5,601.22, 8,404.35 and 2,140.90

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Solution

The fourth proportional to 5,601.22, 8,404.35 and 2,140.90 is: 3,212.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.22 : 8,404.35 = 2,140.90 : x
  2. Step 2: Convert to fraction form
    5,601.22/8,404.35 = 2,140.90/x
  3. Step 3: Cross multiply
    5,601.22x = 8,404.35 × 2,140.90
  4. Step 4: Simplify right side
    5,601.22x = 17,992,872.92
  5. Step 5: Solve for x
    x = 17,992,872.92/5,601.22
  6. Step 6: Final answer
    x = 3,212.31

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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.