Home / 5,199.20-7,175-2,841.44

Finding the Fourth Proportional to 5,199.20, 7,175 and 2,841.44

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Solution

The fourth proportional to 5,199.20, 7,175 and 2,841.44 is: 3,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.20 : 7,175 = 2,841.44 : x
  2. Step 2: Convert to fraction form
    5,199.20/7,175 = 2,841.44/x
  3. Step 3: Cross multiply
    5,199.20x = 7,175 × 2,841.44
  4. Step 4: Simplify right side
    5,199.20x = 20,387,332
  5. Step 5: Solve for x
    x = 20,387,332/5,199.20
  6. Step 6: Final answer
    x = 3,921.24

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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.