Home / 6,932.72-10,398.92-2,986.60

Finding the Fourth Proportional to 6,932.72, 10,398.92 and 2,986.60

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Solution

The fourth proportional to 6,932.72, 10,398.92 and 2,986.60 is: 4,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,932.72 : 10,398.92 = 2,986.60 : x
  2. Step 2: Convert to fraction form
    6,932.72/10,398.92 = 2,986.60/x
  3. Step 3: Cross multiply
    6,932.72x = 10,398.92 × 2,986.60
  4. Step 4: Simplify right side
    6,932.72x = 31,057,381.01
  5. Step 5: Solve for x
    x = 31,057,381.01/6,932.72
  6. Step 6: Final answer
    x = 4,479.83

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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.