Home / 6,621.44-9,932.40-2,119.41

Finding the Fourth Proportional to 6,621.44, 9,932.40 and 2,119.41

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Solution

The fourth proportional to 6,621.44, 9,932.40 and 2,119.41 is: 3,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.44 : 9,932.40 = 2,119.41 : x
  2. Step 2: Convert to fraction form
    6,621.44/9,932.40 = 2,119.41/x
  3. Step 3: Cross multiply
    6,621.44x = 9,932.40 × 2,119.41
  4. Step 4: Simplify right side
    6,621.44x = 21,050,827.88
  5. Step 5: Solve for x
    x = 21,050,827.88/6,621.44
  6. Step 6: Final answer
    x = 3,179.19

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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.