Home / 5,114.23-7,671.49-1,994.11

Finding the Fourth Proportional to 5,114.23, 7,671.49 and 1,994.11

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Solution

The fourth proportional to 5,114.23, 7,671.49 and 1,994.11 is: 2,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.23 : 7,671.49 = 1,994.11 : x
  2. Step 2: Convert to fraction form
    5,114.23/7,671.49 = 1,994.11/x
  3. Step 3: Cross multiply
    5,114.23x = 7,671.49 × 1,994.11
  4. Step 4: Simplify right side
    5,114.23x = 15,297,794.92
  5. Step 5: Solve for x
    x = 15,297,794.92/5,114.23
  6. Step 6: Final answer
    x = 2,991.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.