Home / 8,177.54-12,268.36-3,245.55

Finding the Fourth Proportional to 8,177.54, 12,268.36 and 3,245.55

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Solution

The fourth proportional to 8,177.54, 12,268.36 and 3,245.55 is: 4,869.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.54 : 12,268.36 = 3,245.55 : x
  2. Step 2: Convert to fraction form
    8,177.54/12,268.36 = 3,245.55/x
  3. Step 3: Cross multiply
    8,177.54x = 12,268.36 × 3,245.55
  4. Step 4: Simplify right side
    8,177.54x = 39,817,579.85
  5. Step 5: Solve for x
    x = 39,817,579.85/8,177.54
  6. Step 6: Final answer
    x = 4,869.14

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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.