Home / 4,177.62-6,268.50-1,985.76

Finding the Fourth Proportional to 4,177.62, 6,268.50 and 1,985.76

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Solution

The fourth proportional to 4,177.62, 6,268.50 and 1,985.76 is: 2,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.62 : 6,268.50 = 1,985.76 : x
  2. Step 2: Convert to fraction form
    4,177.62/6,268.50 = 1,985.76/x
  3. Step 3: Cross multiply
    4,177.62x = 6,268.50 × 1,985.76
  4. Step 4: Simplify right side
    4,177.62x = 12,447,736.56
  5. Step 5: Solve for x
    x = 12,447,736.56/4,177.62
  6. Step 6: Final answer
    x = 2,979.62

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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.