Home / 6,980.24-9,632.04-3,996.20

Finding the Fourth Proportional to 6,980.24, 9,632.04 and 3,996.20

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Solution

The fourth proportional to 6,980.24, 9,632.04 and 3,996.20 is: 5,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.24 : 9,632.04 = 3,996.20 : x
  2. Step 2: Convert to fraction form
    6,980.24/9,632.04 = 3,996.20/x
  3. Step 3: Cross multiply
    6,980.24x = 9,632.04 × 3,996.20
  4. Step 4: Simplify right side
    6,980.24x = 38,491,558.25
  5. Step 5: Solve for x
    x = 38,491,558.25/6,980.24
  6. Step 6: Final answer
    x = 5,514.36

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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.