Home / 4,120.92-6,175.86-2,659.32

Finding the Fourth Proportional to 4,120.92, 6,175.86 and 2,659.32

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Solution

The fourth proportional to 4,120.92, 6,175.86 and 2,659.32 is: 3,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.92 : 6,175.86 = 2,659.32 : x
  2. Step 2: Convert to fraction form
    4,120.92/6,175.86 = 2,659.32/x
  3. Step 3: Cross multiply
    4,120.92x = 6,175.86 × 2,659.32
  4. Step 4: Simplify right side
    4,120.92x = 16,423,588.02
  5. Step 5: Solve for x
    x = 16,423,588.02/4,120.92
  6. Step 6: Final answer
    x = 3,985.42

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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.