Home / 6,621.46-9,933.47-2,239.63

Finding the Fourth Proportional to 6,621.46, 9,933.47 and 2,239.63

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Solution

The fourth proportional to 6,621.46, 9,933.47 and 2,239.63 is: 3,359.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.46 : 9,933.47 = 2,239.63 : x
  2. Step 2: Convert to fraction form
    6,621.46/9,933.47 = 2,239.63/x
  3. Step 3: Cross multiply
    6,621.46x = 9,933.47 × 2,239.63
  4. Step 4: Simplify right side
    6,621.46x = 22,247,297.42
  5. Step 5: Solve for x
    x = 22,247,297.42/6,621.46
  6. Step 6: Final answer
    x = 3,359.88

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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.