Home / 4,181.74-6,278.75-1,992.04

Finding the Fourth Proportional to 4,181.74, 6,278.75 and 1,992.04

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Solution

The fourth proportional to 4,181.74, 6,278.75 and 1,992.04 is: 2,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.74 : 6,278.75 = 1,992.04 : x
  2. Step 2: Convert to fraction form
    4,181.74/6,278.75 = 1,992.04/x
  3. Step 3: Cross multiply
    4,181.74x = 6,278.75 × 1,992.04
  4. Step 4: Simplify right side
    4,181.74x = 12,507,521.15
  5. Step 5: Solve for x
    x = 12,507,521.15/4,181.74
  6. Step 6: Final answer
    x = 2,990.98

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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.