Home / 8,173.10-12,248.88-3,240.05

Finding the Fourth Proportional to 8,173.10, 12,248.88 and 3,240.05

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Solution

The fourth proportional to 8,173.10, 12,248.88 and 3,240.05 is: 4,855.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.10 : 12,248.88 = 3,240.05 : x
  2. Step 2: Convert to fraction form
    8,173.10/12,248.88 = 3,240.05/x
  3. Step 3: Cross multiply
    8,173.10x = 12,248.88 × 3,240.05
  4. Step 4: Simplify right side
    8,173.10x = 39,686,910.25
  5. Step 5: Solve for x
    x = 39,686,910.25/8,173.10
  6. Step 6: Final answer
    x = 4,855.79

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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.