Home / 3,994.11-5,482.55-3,542.13

Finding the Fourth Proportional to 3,994.11, 5,482.55 and 3,542.13

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Solution

The fourth proportional to 3,994.11, 5,482.55 and 3,542.13 is: 4,862.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.11 : 5,482.55 = 3,542.13 : x
  2. Step 2: Convert to fraction form
    3,994.11/5,482.55 = 3,542.13/x
  3. Step 3: Cross multiply
    3,994.11x = 5,482.55 × 3,542.13
  4. Step 4: Simplify right side
    3,994.11x = 19,419,913.69
  5. Step 5: Solve for x
    x = 19,419,913.69/3,994.11
  6. Step 6: Final answer
    x = 4,862.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.