Home / 6,331.06-9,489.30-3,992.80

Finding the Fourth Proportional to 6,331.06, 9,489.30 and 3,992.80

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Solution

The fourth proportional to 6,331.06, 9,489.30 and 3,992.80 is: 5,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.06 : 9,489.30 = 3,992.80 : x
  2. Step 2: Convert to fraction form
    6,331.06/9,489.30 = 3,992.80/x
  3. Step 3: Cross multiply
    6,331.06x = 9,489.30 × 3,992.80
  4. Step 4: Simplify right side
    6,331.06x = 37,888,877.04
  5. Step 5: Solve for x
    x = 37,888,877.04/6,331.06
  6. Step 6: Final answer
    x = 5,984.60

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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.