Home / 6,540.03-9,021.34-4,182.12

Finding the Fourth Proportional to 6,540.03, 9,021.34 and 4,182.12

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Solution

The fourth proportional to 6,540.03, 9,021.34 and 4,182.12 is: 5,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.03 : 9,021.34 = 4,182.12 : x
  2. Step 2: Convert to fraction form
    6,540.03/9,021.34 = 4,182.12/x
  3. Step 3: Cross multiply
    6,540.03x = 9,021.34 × 4,182.12
  4. Step 4: Simplify right side
    6,540.03x = 37,728,305.53
  5. Step 5: Solve for x
    x = 37,728,305.53/6,540.03
  6. Step 6: Final answer
    x = 5,768.83

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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.