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Finding the Fourth Proportional to 5,999.60, 9,002.10 and 2,106.80

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Solution

The fourth proportional to 5,999.60, 9,002.10 and 2,106.80 is: 3,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.60 : 9,002.10 = 2,106.80 : x
  2. Step 2: Convert to fraction form
    5,999.60/9,002.10 = 2,106.80/x
  3. Step 3: Cross multiply
    5,999.60x = 9,002.10 × 2,106.80
  4. Step 4: Simplify right side
    5,999.60x = 18,965,624.28
  5. Step 5: Solve for x
    x = 18,965,624.28/5,999.60
  6. Step 6: Final answer
    x = 3,161.15

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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.