Home / 3,690.21-5,556.13-3,254.27

Finding the Fourth Proportional to 3,690.21, 5,556.13 and 3,254.27

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Solution

The fourth proportional to 3,690.21, 5,556.13 and 3,254.27 is: 4,899.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.21 : 5,556.13 = 3,254.27 : x
  2. Step 2: Convert to fraction form
    3,690.21/5,556.13 = 3,254.27/x
  3. Step 3: Cross multiply
    3,690.21x = 5,556.13 × 3,254.27
  4. Step 4: Simplify right side
    3,690.21x = 18,081,147.18
  5. Step 5: Solve for x
    x = 18,081,147.18/3,690.21
  6. Step 6: Final answer
    x = 4,899.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.