Home / 3,994.20-5,506.98-3,433.56

Finding the Fourth Proportional to 3,994.20, 5,506.98 and 3,433.56

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Solution

The fourth proportional to 3,994.20, 5,506.98 and 3,433.56 is: 4,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.20 : 5,506.98 = 3,433.56 : x
  2. Step 2: Convert to fraction form
    3,994.20/5,506.98 = 3,433.56/x
  3. Step 3: Cross multiply
    3,994.20x = 5,506.98 × 3,433.56
  4. Step 4: Simplify right side
    3,994.20x = 18,908,546.25
  5. Step 5: Solve for x
    x = 18,908,546.25/3,994.20
  6. Step 6: Final answer
    x = 4,734.00

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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.