Home / 3,992.36-5,496.81-3,518.51

Finding the Fourth Proportional to 3,992.36, 5,496.81 and 3,518.51

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Solution

The fourth proportional to 3,992.36, 5,496.81 and 3,518.51 is: 4,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.36 : 5,496.81 = 3,518.51 : x
  2. Step 2: Convert to fraction form
    3,992.36/5,496.81 = 3,518.51/x
  3. Step 3: Cross multiply
    3,992.36x = 5,496.81 × 3,518.51
  4. Step 4: Simplify right side
    3,992.36x = 19,340,580.95
  5. Step 5: Solve for x
    x = 19,340,580.95/3,992.36
  6. Step 6: Final answer
    x = 4,844.40

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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.