Home / 6,140.73-9,212.01-2,191.68

Finding the Fourth Proportional to 6,140.73, 9,212.01 and 2,191.68

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Solution

The fourth proportional to 6,140.73, 9,212.01 and 2,191.68 is: 3,287.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.73 : 9,212.01 = 2,191.68 : x
  2. Step 2: Convert to fraction form
    6,140.73/9,212.01 = 2,191.68/x
  3. Step 3: Cross multiply
    6,140.73x = 9,212.01 × 2,191.68
  4. Step 4: Simplify right side
    6,140.73x = 20,189,778.08
  5. Step 5: Solve for x
    x = 20,189,778.08/6,140.73
  6. Step 6: Final answer
    x = 3,287.85

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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.