Home / 4,079.64-6,118.52-1,997.57

Finding the Fourth Proportional to 4,079.64, 6,118.52 and 1,997.57

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Solution

The fourth proportional to 4,079.64, 6,118.52 and 1,997.57 is: 2,995.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.64 : 6,118.52 = 1,997.57 : x
  2. Step 2: Convert to fraction form
    4,079.64/6,118.52 = 1,997.57/x
  3. Step 3: Cross multiply
    4,079.64x = 6,118.52 × 1,997.57
  4. Step 4: Simplify right side
    4,079.64x = 12,222,131.42
  5. Step 5: Solve for x
    x = 12,222,131.42/4,079.64
  6. Step 6: Final answer
    x = 2,995.88

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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.