Home / 4,118.51-6,170.58-3,429.61

Finding the Fourth Proportional to 4,118.51, 6,170.58 and 3,429.61

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Solution

The fourth proportional to 4,118.51, 6,170.58 and 3,429.61 is: 5,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.51 : 6,170.58 = 3,429.61 : x
  2. Step 2: Convert to fraction form
    4,118.51/6,170.58 = 3,429.61/x
  3. Step 3: Cross multiply
    4,118.51x = 6,170.58 × 3,429.61
  4. Step 4: Simplify right side
    4,118.51x = 21,162,682.87
  5. Step 5: Solve for x
    x = 21,162,682.87/4,118.51
  6. Step 6: Final answer
    x = 5,138.43

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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.