Home / 4,115.05-6,170.48-1,339.94

Finding the Fourth Proportional to 4,115.05, 6,170.48 and 1,339.94

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Solution

The fourth proportional to 4,115.05, 6,170.48 and 1,339.94 is: 2,009.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.05 : 6,170.48 = 1,339.94 : x
  2. Step 2: Convert to fraction form
    4,115.05/6,170.48 = 1,339.94/x
  3. Step 3: Cross multiply
    4,115.05x = 6,170.48 × 1,339.94
  4. Step 4: Simplify right side
    4,115.05x = 8,268,086.72
  5. Step 5: Solve for x
    x = 8,268,086.72/4,115.05
  6. Step 6: Final answer
    x = 2,009.23

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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.