Home / 7,190.30-10,784.18-1,994.96

Finding the Fourth Proportional to 7,190.30, 10,784.18 and 1,994.96

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Solution

The fourth proportional to 7,190.30, 10,784.18 and 1,994.96 is: 2,992.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.30 : 10,784.18 = 1,994.96 : x
  2. Step 2: Convert to fraction form
    7,190.30/10,784.18 = 1,994.96/x
  3. Step 3: Cross multiply
    7,190.30x = 10,784.18 × 1,994.96
  4. Step 4: Simplify right side
    7,190.30x = 21,514,007.73
  5. Step 5: Solve for x
    x = 21,514,007.73/7,190.30
  6. Step 6: Final answer
    x = 2,992.09

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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.