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Finding the Fourth Proportional to 5,999.64, 9,000.09 and 2,103.90

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Solution

The fourth proportional to 5,999.64, 9,000.09 and 2,103.90 is: 3,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.64 : 9,000.09 = 2,103.90 : x
  2. Step 2: Convert to fraction form
    5,999.64/9,000.09 = 2,103.90/x
  3. Step 3: Cross multiply
    5,999.64x = 9,000.09 × 2,103.90
  4. Step 4: Simplify right side
    5,999.64x = 18,935,289.35
  5. Step 5: Solve for x
    x = 18,935,289.35/5,999.64
  6. Step 6: Final answer
    x = 3,156.07

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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.