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Finding the Fourth Proportional to 6,005.80, 9,015.90 and 3,375.40

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Solution

The fourth proportional to 6,005.80, 9,015.90 and 3,375.40 is: 5,067.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,005.80 : 9,015.90 = 3,375.40 : x
  2. Step 2: Convert to fraction form
    6,005.80/9,015.90 = 3,375.40/x
  3. Step 3: Cross multiply
    6,005.80x = 9,015.90 × 3,375.40
  4. Step 4: Simplify right side
    6,005.80x = 30,432,268.86
  5. Step 5: Solve for x
    x = 30,432,268.86/6,005.80
  6. Step 6: Final answer
    x = 5,067.15

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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.