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Finding the Fourth Proportional to 5,999.40, 9,000.30 and 2,106.54

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Solution

The fourth proportional to 5,999.40, 9,000.30 and 2,106.54 is: 3,160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.40 : 9,000.30 = 2,106.54 : x
  2. Step 2: Convert to fraction form
    5,999.40/9,000.30 = 2,106.54/x
  3. Step 3: Cross multiply
    5,999.40x = 9,000.30 × 2,106.54
  4. Step 4: Simplify right side
    5,999.40x = 18,959,491.96
  5. Step 5: Solve for x
    x = 18,959,491.96/5,999.40
  6. Step 6: Final answer
    x = 3,160.23

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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.