Home / 4,914.21-7,374.15-1,994.70

Finding the Fourth Proportional to 4,914.21, 7,374.15 and 1,994.70

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Solution

The fourth proportional to 4,914.21, 7,374.15 and 1,994.70 is: 2,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.21 : 7,374.15 = 1,994.70 : x
  2. Step 2: Convert to fraction form
    4,914.21/7,374.15 = 1,994.70/x
  3. Step 3: Cross multiply
    4,914.21x = 7,374.15 × 1,994.70
  4. Step 4: Simplify right side
    4,914.21x = 14,709,217.01
  5. Step 5: Solve for x
    x = 14,709,217.01/4,914.21
  6. Step 6: Final answer
    x = 2,993.20

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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.