Home / 6,189.28-9,279.68-2,291.60

Finding the Fourth Proportional to 6,189.28, 9,279.68 and 2,291.60

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Solution

The fourth proportional to 6,189.28, 9,279.68 and 2,291.60 is: 3,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.28 : 9,279.68 = 2,291.60 : x
  2. Step 2: Convert to fraction form
    6,189.28/9,279.68 = 2,291.60/x
  3. Step 3: Cross multiply
    6,189.28x = 9,279.68 × 2,291.60
  4. Step 4: Simplify right side
    6,189.28x = 21,265,314.69
  5. Step 5: Solve for x
    x = 21,265,314.69/6,189.28
  6. Step 6: Final answer
    x = 3,435.83

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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.