Home / 5,890.12-8,829.61-2,189.84

Finding the Fourth Proportional to 5,890.12, 8,829.61 and 2,189.84

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Solution

The fourth proportional to 5,890.12, 8,829.61 and 2,189.84 is: 3,282.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.12 : 8,829.61 = 2,189.84 : x
  2. Step 2: Convert to fraction form
    5,890.12/8,829.61 = 2,189.84/x
  3. Step 3: Cross multiply
    5,890.12x = 8,829.61 × 2,189.84
  4. Step 4: Simplify right side
    5,890.12x = 19,335,383.54
  5. Step 5: Solve for x
    x = 19,335,383.54/5,890.12
  6. Step 6: Final answer
    x = 3,282.68

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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.