Home / 6,540.70-9,028.23-4,182.85

Finding the Fourth Proportional to 6,540.70, 9,028.23 and 4,182.85

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Solution

The fourth proportional to 6,540.70, 9,028.23 and 4,182.85 is: 5,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.70 : 9,028.23 = 4,182.85 : x
  2. Step 2: Convert to fraction form
    6,540.70/9,028.23 = 4,182.85/x
  3. Step 3: Cross multiply
    6,540.70x = 9,028.23 × 4,182.85
  4. Step 4: Simplify right side
    6,540.70x = 37,763,731.86
  5. Step 5: Solve for x
    x = 37,763,731.86/6,540.70
  6. Step 6: Final answer
    x = 5,773.65

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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.