Home / 8,245.12-11,377.92-4,518.88

Finding the Fourth Proportional to 8,245.12, 11,377.92 and 4,518.88

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Solution

The fourth proportional to 8,245.12, 11,377.92 and 4,518.88 is: 6,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.12 : 11,377.92 = 4,518.88 : x
  2. Step 2: Convert to fraction form
    8,245.12/11,377.92 = 4,518.88/x
  3. Step 3: Cross multiply
    8,245.12x = 11,377.92 × 4,518.88
  4. Step 4: Simplify right side
    8,245.12x = 51,415,455.13
  5. Step 5: Solve for x
    x = 51,415,455.13/8,245.12
  6. Step 6: Final answer
    x = 6,235.86

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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.