Home / 8,248.20-11,383.86-6,137.75

Finding the Fourth Proportional to 8,248.20, 11,383.86 and 6,137.75

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Solution

The fourth proportional to 8,248.20, 11,383.86 and 6,137.75 is: 8,471.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.20 : 11,383.86 = 6,137.75 : x
  2. Step 2: Convert to fraction form
    8,248.20/11,383.86 = 6,137.75/x
  3. Step 3: Cross multiply
    8,248.20x = 11,383.86 × 6,137.75
  4. Step 4: Simplify right side
    8,248.20x = 69,871,229.80
  5. Step 5: Solve for x
    x = 69,871,229.80/8,248.20
  6. Step 6: Final answer
    x = 8,471.09

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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.