Home / 6,678.42-9,216.18-3,694.43

Finding the Fourth Proportional to 6,678.42, 9,216.18 and 3,694.43

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Solution

The fourth proportional to 6,678.42, 9,216.18 and 3,694.43 is: 5,098.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.42 : 9,216.18 = 3,694.43 : x
  2. Step 2: Convert to fraction form
    6,678.42/9,216.18 = 3,694.43/x
  3. Step 3: Cross multiply
    6,678.42x = 9,216.18 × 3,694.43
  4. Step 4: Simplify right side
    6,678.42x = 34,048,485.80
  5. Step 5: Solve for x
    x = 34,048,485.80/6,678.42
  6. Step 6: Final answer
    x = 5,098.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.