Home / 6,207.21-9,304.86-3,979.20

Finding the Fourth Proportional to 6,207.21, 9,304.86 and 3,979.20

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Solution

The fourth proportional to 6,207.21, 9,304.86 and 3,979.20 is: 5,964.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207.21 : 9,304.86 = 3,979.20 : x
  2. Step 2: Convert to fraction form
    6,207.21/9,304.86 = 3,979.20/x
  3. Step 3: Cross multiply
    6,207.21x = 9,304.86 × 3,979.20
  4. Step 4: Simplify right side
    6,207.21x = 37,025,898.91
  5. Step 5: Solve for x
    x = 37,025,898.91/6,207.21
  6. Step 6: Final answer
    x = 5,964.98

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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.