Home / 9,224.28-12,735.12-6,240.60

Finding the Fourth Proportional to 9,224.28, 12,735.12 and 6,240.60

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Solution

The fourth proportional to 9,224.28, 12,735.12 and 6,240.60 is: 8,615.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,224.28 : 12,735.12 = 6,240.60 : x
  2. Step 2: Convert to fraction form
    9,224.28/12,735.12 = 6,240.60/x
  3. Step 3: Cross multiply
    9,224.28x = 12,735.12 × 6,240.60
  4. Step 4: Simplify right side
    9,224.28x = 79,474,789.87
  5. Step 5: Solve for x
    x = 79,474,789.87/9,224.28
  6. Step 6: Final answer
    x = 8,615.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.