Home / 8,103.06-11,184.12-4,961.88

Finding the Fourth Proportional to 8,103.06, 11,184.12 and 4,961.88

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Solution

The fourth proportional to 8,103.06, 11,184.12 and 4,961.88 is: 6,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.06 : 11,184.12 = 4,961.88 : x
  2. Step 2: Convert to fraction form
    8,103.06/11,184.12 = 4,961.88/x
  3. Step 3: Cross multiply
    8,103.06x = 11,184.12 × 4,961.88
  4. Step 4: Simplify right side
    8,103.06x = 55,494,261.35
  5. Step 5: Solve for x
    x = 55,494,261.35/8,103.06
  6. Step 6: Final answer
    x = 6,848.56

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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.