Home / 5,190.12-7,786.62-2,994.84

Finding the Fourth Proportional to 5,190.12, 7,786.62 and 2,994.84

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Solution

The fourth proportional to 5,190.12, 7,786.62 and 2,994.84 is: 4,493.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.12 : 7,786.62 = 2,994.84 : x
  2. Step 2: Convert to fraction form
    5,190.12/7,786.62 = 2,994.84/x
  3. Step 3: Cross multiply
    5,190.12x = 7,786.62 × 2,994.84
  4. Step 4: Simplify right side
    5,190.12x = 23,319,681.04
  5. Step 5: Solve for x
    x = 23,319,681.04/5,190.12
  6. Step 6: Final answer
    x = 4,493.09

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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.