Home / 5,199.45-7,175.08-2,961.64

Finding the Fourth Proportional to 5,199.45, 7,175.08 and 2,961.64

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Solution

The fourth proportional to 5,199.45, 7,175.08 and 2,961.64 is: 4,086.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.45 : 7,175.08 = 2,961.64 : x
  2. Step 2: Convert to fraction form
    5,199.45/7,175.08 = 2,961.64/x
  3. Step 3: Cross multiply
    5,199.45x = 7,175.08 × 2,961.64
  4. Step 4: Simplify right side
    5,199.45x = 21,249,999.94
  5. Step 5: Solve for x
    x = 21,249,999.94/5,199.45
  6. Step 6: Final answer
    x = 4,086.97

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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.