Home / 5,491.88-8,238.86-2,205.23

Finding the Fourth Proportional to 5,491.88, 8,238.86 and 2,205.23

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Solution

The fourth proportional to 5,491.88, 8,238.86 and 2,205.23 is: 3,308.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.88 : 8,238.86 = 2,205.23 : x
  2. Step 2: Convert to fraction form
    5,491.88/8,238.86 = 2,205.23/x
  3. Step 3: Cross multiply
    5,491.88x = 8,238.86 × 2,205.23
  4. Step 4: Simplify right side
    5,491.88x = 18,168,607.35
  5. Step 5: Solve for x
    x = 18,168,607.35/5,491.88
  6. Step 6: Final answer
    x = 3,308.27

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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.