Home / 5,460.42-8,187.87-2,171.73

Finding the Fourth Proportional to 5,460.42, 8,187.87 and 2,171.73

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Solution

The fourth proportional to 5,460.42, 8,187.87 and 2,171.73 is: 3,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.42 : 8,187.87 = 2,171.73 : x
  2. Step 2: Convert to fraction form
    5,460.42/8,187.87 = 2,171.73/x
  3. Step 3: Cross multiply
    5,460.42x = 8,187.87 × 2,171.73
  4. Step 4: Simplify right side
    5,460.42x = 17,781,842.92
  5. Step 5: Solve for x
    x = 17,781,842.92/5,460.42
  6. Step 6: Final answer
    x = 3,256.50

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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.