Home / 6,964.01-9,609.69-3,939.29

Finding the Fourth Proportional to 6,964.01, 9,609.69 and 3,939.29

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Solution

The fourth proportional to 6,964.01, 9,609.69 and 3,939.29 is: 5,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,964.01 : 9,609.69 = 3,939.29 : x
  2. Step 2: Convert to fraction form
    6,964.01/9,609.69 = 3,939.29/x
  3. Step 3: Cross multiply
    6,964.01x = 9,609.69 × 3,939.29
  4. Step 4: Simplify right side
    6,964.01x = 37,855,352.05
  5. Step 5: Solve for x
    x = 37,855,352.05/6,964.01
  6. Step 6: Final answer
    x = 5,435.85

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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.