Home / 5,199.77-7,175.18-2,961.47

Finding the Fourth Proportional to 5,199.77, 7,175.18 and 2,961.47

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Solution

The fourth proportional to 5,199.77, 7,175.18 and 2,961.47 is: 4,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.77 : 7,175.18 = 2,961.47 : x
  2. Step 2: Convert to fraction form
    5,199.77/7,175.18 = 2,961.47/x
  3. Step 3: Cross multiply
    5,199.77x = 7,175.18 × 2,961.47
  4. Step 4: Simplify right side
    5,199.77x = 21,249,065.51
  5. Step 5: Solve for x
    x = 21,249,065.51/5,199.77
  6. Step 6: Final answer
    x = 4,086.54

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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.