Home / 5,200.20-7,175.79-2,962.62

Finding the Fourth Proportional to 5,200.20, 7,175.79 and 2,962.62

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Solution

The fourth proportional to 5,200.20, 7,175.79 and 2,962.62 is: 4,088.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.20 : 7,175.79 = 2,962.62 : x
  2. Step 2: Convert to fraction form
    5,200.20/7,175.79 = 2,962.62/x
  3. Step 3: Cross multiply
    5,200.20x = 7,175.79 × 2,962.62
  4. Step 4: Simplify right side
    5,200.20x = 21,259,138.97
  5. Step 5: Solve for x
    x = 21,259,138.97/5,200.20
  6. Step 6: Final answer
    x = 4,088.14

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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.