Home / 4,079.86-6,109.26-3,498.64

Finding the Fourth Proportional to 4,079.86, 6,109.26 and 3,498.64

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Solution

The fourth proportional to 4,079.86, 6,109.26 and 3,498.64 is: 5,238.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.86 : 6,109.26 = 3,498.64 : x
  2. Step 2: Convert to fraction form
    4,079.86/6,109.26 = 3,498.64/x
  3. Step 3: Cross multiply
    4,079.86x = 6,109.26 × 3,498.64
  4. Step 4: Simplify right side
    4,079.86x = 21,374,101.41
  5. Step 5: Solve for x
    x = 21,374,101.41/4,079.86
  6. Step 6: Final answer
    x = 5,238.93

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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.