Home / 5,815.44-8,027.76-4,137.12

Finding the Fourth Proportional to 5,815.44, 8,027.76 and 4,137.12

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Solution

The fourth proportional to 5,815.44, 8,027.76 and 4,137.12 is: 5,710.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.44 : 8,027.76 = 4,137.12 : x
  2. Step 2: Convert to fraction form
    5,815.44/8,027.76 = 4,137.12/x
  3. Step 3: Cross multiply
    5,815.44x = 8,027.76 × 4,137.12
  4. Step 4: Simplify right side
    5,815.44x = 33,211,806.45
  5. Step 5: Solve for x
    x = 33,211,806.45/5,815.44
  6. Step 6: Final answer
    x = 5,710.97

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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.