Home / 8,289.08-11,438.57-4,512.25

Finding the Fourth Proportional to 8,289.08, 11,438.57 and 4,512.25

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Solution

The fourth proportional to 8,289.08, 11,438.57 and 4,512.25 is: 6,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.08 : 11,438.57 = 4,512.25 : x
  2. Step 2: Convert to fraction form
    8,289.08/11,438.57 = 4,512.25/x
  3. Step 3: Cross multiply
    8,289.08x = 11,438.57 × 4,512.25
  4. Step 4: Simplify right side
    8,289.08x = 51,613,664.92
  5. Step 5: Solve for x
    x = 51,613,664.92/8,289.08
  6. Step 6: Final answer
    x = 6,226.71

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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.