Home / 5,199.64-7,175.48-2,841.77

Finding the Fourth Proportional to 5,199.64, 7,175.48 and 2,841.77

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Solution

The fourth proportional to 5,199.64, 7,175.48 and 2,841.77 is: 3,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.64 : 7,175.48 = 2,841.77 : x
  2. Step 2: Convert to fraction form
    5,199.64/7,175.48 = 2,841.77/x
  3. Step 3: Cross multiply
    5,199.64x = 7,175.48 × 2,841.77
  4. Step 4: Simplify right side
    5,199.64x = 20,391,067.53
  5. Step 5: Solve for x
    x = 20,391,067.53/5,199.64
  6. Step 6: Final answer
    x = 3,921.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.