Home / 5,199.38-7,175.16-2,841.51

Finding the Fourth Proportional to 5,199.38, 7,175.16 and 2,841.51

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Solution

The fourth proportional to 5,199.38, 7,175.16 and 2,841.51 is: 3,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.38 : 7,175.16 = 2,841.51 : x
  2. Step 2: Convert to fraction form
    5,199.38/7,175.16 = 2,841.51/x
  3. Step 3: Cross multiply
    5,199.38x = 7,175.16 × 2,841.51
  4. Step 4: Simplify right side
    5,199.38x = 20,388,288.89
  5. Step 5: Solve for x
    x = 20,388,288.89/5,199.38
  6. Step 6: Final answer
    x = 3,921.30

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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.