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Finding the Fourth Proportional to 6,003.35, 9,005.19 and 1,620.80

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Solution

The fourth proportional to 6,003.35, 9,005.19 and 1,620.80 is: 2,431.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,003.35 : 9,005.19 = 1,620.80 : x
  2. Step 2: Convert to fraction form
    6,003.35/9,005.19 = 1,620.80/x
  3. Step 3: Cross multiply
    6,003.35x = 9,005.19 × 1,620.80
  4. Step 4: Simplify right side
    6,003.35x = 14,595,611.95
  5. Step 5: Solve for x
    x = 14,595,611.95/6,003.35
  6. Step 6: Final answer
    x = 2,431.24

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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.