Home / 5,458.46-8,188.59-2,171.58

Finding the Fourth Proportional to 5,458.46, 8,188.59 and 2,171.58

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Solution

The fourth proportional to 5,458.46, 8,188.59 and 2,171.58 is: 3,257.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.46 : 8,188.59 = 2,171.58 : x
  2. Step 2: Convert to fraction form
    5,458.46/8,188.59 = 2,171.58/x
  3. Step 3: Cross multiply
    5,458.46x = 8,188.59 × 2,171.58
  4. Step 4: Simplify right side
    5,458.46x = 17,782,178.27
  5. Step 5: Solve for x
    x = 17,782,178.27/5,458.46
  6. Step 6: Final answer
    x = 3,257.73

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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.