Home / 5,410.44-8,115.30-2,124.09

Finding the Fourth Proportional to 5,410.44, 8,115.30 and 2,124.09

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Solution

The fourth proportional to 5,410.44, 8,115.30 and 2,124.09 is: 3,185.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.44 : 8,115.30 = 2,124.09 : x
  2. Step 2: Convert to fraction form
    5,410.44/8,115.30 = 2,124.09/x
  3. Step 3: Cross multiply
    5,410.44x = 8,115.30 × 2,124.09
  4. Step 4: Simplify right side
    5,410.44x = 17,237,627.58
  5. Step 5: Solve for x
    x = 17,237,627.58/5,410.44
  6. Step 6: Final answer
    x = 3,185.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.