Home / 4,994.20-7,490.70-2,072.20

Finding the Fourth Proportional to 4,994.20, 7,490.70 and 2,072.20

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Solution

The fourth proportional to 4,994.20, 7,490.70 and 2,072.20 is: 3,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994.20 : 7,490.70 = 2,072.20 : x
  2. Step 2: Convert to fraction form
    4,994.20/7,490.70 = 2,072.20/x
  3. Step 3: Cross multiply
    4,994.20x = 7,490.70 × 2,072.20
  4. Step 4: Simplify right side
    4,994.20x = 15,522,228.54
  5. Step 5: Solve for x
    x = 15,522,228.54/4,994.20
  6. Step 6: Final answer
    x = 3,108.05

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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.