Home / 5,485.56-8,226.06-2,107.86

Finding the Fourth Proportional to 5,485.56, 8,226.06 and 2,107.86

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Solution

The fourth proportional to 5,485.56, 8,226.06 and 2,107.86 is: 3,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.56 : 8,226.06 = 2,107.86 : x
  2. Step 2: Convert to fraction form
    5,485.56/8,226.06 = 2,107.86/x
  3. Step 3: Cross multiply
    5,485.56x = 8,226.06 × 2,107.86
  4. Step 4: Simplify right side
    5,485.56x = 17,339,344.08
  5. Step 5: Solve for x
    x = 17,339,344.08/5,485.56
  6. Step 6: Final answer
    x = 3,160.91

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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.