Home / 4,175.10-6,255.45-1,979.10

Finding the Fourth Proportional to 4,175.10, 6,255.45 and 1,979.10

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Solution

The fourth proportional to 4,175.10, 6,255.45 and 1,979.10 is: 2,965.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.10 : 6,255.45 = 1,979.10 : x
  2. Step 2: Convert to fraction form
    4,175.10/6,255.45 = 1,979.10/x
  3. Step 3: Cross multiply
    4,175.10x = 6,255.45 × 1,979.10
  4. Step 4: Simplify right side
    4,175.10x = 12,380,161.10
  5. Step 5: Solve for x
    x = 12,380,161.10/4,175.10
  6. Step 6: Final answer
    x = 2,965.24

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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.