Home / 8,015.22-11,060.82-4,478.76

Finding the Fourth Proportional to 8,015.22, 11,060.82 and 4,478.76

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Solution

The fourth proportional to 8,015.22, 11,060.82 and 4,478.76 is: 6,180.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.22 : 11,060.82 = 4,478.76 : x
  2. Step 2: Convert to fraction form
    8,015.22/11,060.82 = 4,478.76/x
  3. Step 3: Cross multiply
    8,015.22x = 11,060.82 × 4,478.76
  4. Step 4: Simplify right side
    8,015.22x = 49,538,758.18
  5. Step 5: Solve for x
    x = 49,538,758.18/8,015.22
  6. Step 6: Final answer
    x = 6,180.59

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Half scale
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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.